diff --git a/pyproject.toml b/pyproject.toml
index 5cae11c..56fda0e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ version_provider = "pep621"
 update_changelog_on_bump = false
 [project]
 name = "pytestomatio"
-version = "2.10.2"
+version = "2.10.3b8"
 
 
 dependencies = [
diff --git a/pytestomatio/decor/decorator_updater.py b/pytestomatio/decor/decorator_updater.py
index b779542..f60cc2a 100644
--- a/pytestomatio/decor/decorator_updater.py
+++ b/pytestomatio/decor/decorator_updater.py
@@ -4,7 +4,7 @@
 
 
 def update_tests(file: str,
-                 mapped_tests: list[tuple[str, int]],
+                 mapped_tests: list[tuple[str, int, str]],
                  all_tests: list[str],
                  decorator_name: str,
                  remove=False):
diff --git a/pytestomatio/decor/default.py b/pytestomatio/decor/default.py
index 3c848c3..5bfe135 100644
--- a/pytestomatio/decor/default.py
+++ b/pytestomatio/decor/default.py
@@ -1,16 +1,18 @@
 import libcst as cst
+from pathlib import Path
 from typing import List, Tuple, Union
 
 
 class DecoratorUpdater(cst.CSTTransformer):
-    def __init__(self, mapped_tests: List[Tuple[str, int]], all_tests: List[str], decorator_name: str):
+    def __init__(self, mapped_tests: List[Tuple[str, int, str]], all_tests: List[str], decorator_name: str, file_path: str):
         self.mapped_tests = mapped_tests
         self.all_tests = all_tests
         self.decorator_name = decorator_name
+        self.filename = Path(file_path).name
 
     def _get_id_by_title(self, title: str):
         for pair in self.mapped_tests:
-            if pair[0] == title:
+            if pair[0] == title and pair[2] == self.filename:
                 return pair[1]
 
     def _remove_decorator(self, node: cst.FunctionDef) -> cst.FunctionDef:
@@ -64,7 +66,7 @@ def leave_Decorator(self, original_node: cst.Decorator, updated_node: cst.Decora
 
 
 def update_tests(file: str,
-                 mapped_tests: List[Tuple[str, int]],
+                 mapped_tests: List[Tuple[str, int, str]],
                  all_tests: List[str],
                  decorator_name: str,
                  remove=False):
@@ -72,12 +74,12 @@ def update_tests(file: str,
         source_code = f.read()
 
     tree = cst.parse_module(source_code)
-    transform = DecoratorUpdater(mapped_tests, all_tests, decorator_name)
+    transform = DecoratorUpdater(mapped_tests, all_tests, decorator_name, file)
     if remove:
         transform = DecoratorRemover(decorator_name)
         tree = tree.visit(transform)
     else:
-        transform = DecoratorUpdater(mapped_tests, all_tests, decorator_name)
+        transform = DecoratorUpdater(mapped_tests, all_tests, decorator_name, file)
         tree = tree.visit(transform)
     updated_source_code = tree.code
 
diff --git a/pytestomatio/decor/pep8.py b/pytestomatio/decor/pep8.py
index cc0b595..403ead4 100644
--- a/pytestomatio/decor/pep8.py
+++ b/pytestomatio/decor/pep8.py
@@ -1,18 +1,21 @@
 import ast
+from pathlib import Path
+
 import autopep8
 
 pytest_mark = 'pytest', 'mark'
 
 
 class DecoratorUpdater(ast.NodeTransformer):
-    def __init__(self, mapped_tests: list[tuple[str, int]], all_tests: list[str], decorator_name: str):
+    def __init__(self, mapped_tests: list[tuple[str, int, str]], all_tests: list[str], decorator_name: str, file_path: str):
         self.mapped_tests = mapped_tests
         self.all_tests = all_tests
         self.decorator_name = decorator_name
+        self.filename = Path(file_path).name
 
     def _get_id_by_title(self, title: str):
         for pair in self.mapped_tests:
-            if pair[0] == title:
+            if pair[0] == title and pair[2] == self.filename:
                 return pair[1]
 
     def _remove_decorator(self, node: ast.FunctionDef) -> ast.FunctionDef:
@@ -57,7 +60,7 @@ def insert_pytest_mark_import(self, tree: ast.Module, module_name: str, decorato
 
 
 def update_tests(file: str,
-                 mapped_tests: list[tuple[str, int]],
+                 mapped_tests: list[tuple[str, int, str]],
                  all_tests: list[str],
                  decorator_name: str,
                  remove=False):
@@ -65,7 +68,7 @@ def update_tests(file: str,
         source_code = f.read()
 
     tree = ast.parse(source_code)
-    transform = DecoratorUpdater(mapped_tests, all_tests, decorator_name)
+    transform = DecoratorUpdater(mapped_tests, all_tests, decorator_name, file)
     if remove:
         transform.remove_decorators(tree)
     else:
diff --git a/pytestomatio/utils/helper.py b/pytestomatio/utils/helper.py
index c8ed658..7c079b0 100644
--- a/pytestomatio/utils/helper.py
+++ b/pytestomatio/utils/helper.py
@@ -31,8 +31,8 @@ def collect_tests(items: list[Item]):
     return meta, test_files, test_names
 
 
-def get_test_mapping(tests: list[TestItem]) -> list[tuple[str, int]]:
-    return [(test.title, test.id) for test in tests]
+def get_test_mapping(tests: list[TestItem]) -> list[tuple[str, int, str]]:
+    return [(test.title, test.id, test.file_name) for test in tests]
 
 
 def parse_test_list(raw_response: dict) -> list[TestomatItem]:
diff --git a/tests/test_decor/test_default.py b/tests/test_decor/test_default.py
index fdf618c..603ccbd 100644
--- a/tests/test_decor/test_default.py
+++ b/tests/test_decor/test_default.py
@@ -11,20 +11,28 @@ class TestDecoratorUpdater:
 
     def test_get_id_by_title_found(self):
         """Test get ID by title"""
-        mapped_tests = [("test_one", "@T123"), ("test_two", "@T456")]
-        updater = DecoratorUpdater(mapped_tests, [], "testomatio")
+        mapped_tests = [("test_one", "@T123", "file1"), ("test_two", "@T456", "file1")]
+        updater = DecoratorUpdater(mapped_tests, [], "testomatio", "path/file1")
 
         result = updater._get_id_by_title("test_one")
         assert result == "@T123"
 
     def test_get_id_by_title_not_found(self):
         """Test title not found"""
-        mapped_tests = [("test_one", "@T123")]
-        updater = DecoratorUpdater(mapped_tests, [], "testomatio")
+        mapped_tests = [("test_one", "@T123", "file1")]
+        updater = DecoratorUpdater(mapped_tests, [], "testomatio", "path/file1")
 
         result = updater._get_id_by_title("nonexistent")
         assert result is None
 
+    def test_get_id_by_title_not_found_if_file_not_match(self):
+        """Test title not found"""
+        mapped_tests = [("test_one", "@T123", "file1")]
+        updater = DecoratorUpdater(mapped_tests, [], "testomatio", "path/file2")
+
+        result = updater._get_id_by_title("@T123")
+        assert result is None
+
     def test_basic_decorator_addition(self):
         """Test add decorator to function"""
         source_code = '''
@@ -36,7 +44,7 @@ def test_example():
         assert '@pytest.mark.testomatio("@T123")' not in tree.code
 
 
-        updater = DecoratorUpdater([("test_example", "@T123")], ["test_example"], "testomatio")
+        updater = DecoratorUpdater([("test_example", "@T123", "file1")], ["test_example"], "testomatio", "path/file1")
 
         modified_tree = tree.visit(updater)
         result_code = modified_tree.code
@@ -52,7 +60,7 @@ def test_example():
 '''
 
         tree = cst.parse_module(source_code)
-        updater = DecoratorUpdater([("test_example", "@T123")], [], "testomatio")  # порожній all_tests
+        updater = DecoratorUpdater([("test_example", "@T123", "file1")], [], "testomatio", "path/file1")  # порожній all_tests
 
         modified_tree = tree.visit(updater)
         result_code = modified_tree.code
@@ -68,7 +76,7 @@ def test_example():
 '''
 
         tree = cst.parse_module(source_code)
-        updater = DecoratorUpdater([("test_example", "@T456")], ["test_example"], "testomatio")
+        updater = DecoratorUpdater([("test_example", "@T456", "file1")], ["test_example"], "testomatio", 'path/file1')
 
         modified_tree = tree.visit(updater)
         result_code = modified_tree.code
@@ -139,7 +147,8 @@ def test_two():
 
     def test_update_tests_adds_decorators(self, temp_test_file):
         """Test update_tests adds decorators"""
-        mapped_tests = [("test_one", "@T123"), ("test_two", "@T456")]
+        filename = temp_test_file.split('/')[-1]
+        mapped_tests = [("test_one", "@T123", filename), ("test_two", "@T456", filename)]
         all_tests = ["test_one", "test_two"]
 
         update_tests(temp_test_file, mapped_tests, all_tests, "testomatio", remove=False)
diff --git a/tests/test_decor/test_pep8.py b/tests/test_decor/test_pep8.py
index 2af3fd6..99d910c 100644
--- a/tests/test_decor/test_pep8.py
+++ b/tests/test_decor/test_pep8.py
@@ -11,20 +11,28 @@ class TestDecoratorUpdaterPep8:
 
     def test_get_id_by_title_found(self):
         """Test found ID by title"""
-        mapped_tests = [("test_login", "@T123"), ("test_logout", "@T456")]
-        updater = DecoratorUpdater(mapped_tests, [], "testomatio")
+        mapped_tests = [("test_login", "@T123", "file1"), ("test_logout", "@T456", "file1")]
+        updater = DecoratorUpdater(mapped_tests, [], "testomatio", "path/file1")
 
         result = updater._get_id_by_title("test_login")
         assert result == "@T123"
 
     def test_get_id_by_title_not_found(self):
         """Test title not found"""
-        mapped_tests = [("test_login", "@T123")]
-        updater = DecoratorUpdater(mapped_tests, [], "testomatio")
+        mapped_tests = [("test_login", "@T123", "file1")]
+        updater = DecoratorUpdater(mapped_tests, [], "testomatio", "path/file1")
 
         result = updater._get_id_by_title("missing_test")
         assert result is None
 
+    def test_get_id_by_title_not_found_if_filename_not_match(self):
+        """Test title not found"""
+        mapped_tests = [("test_login", "@T123", "file2")]
+        updater = DecoratorUpdater(mapped_tests, [], "testomatio", "path/file1")
+
+        result = updater._get_id_by_title("@T123")
+        assert result is None
+
     def test_visit_function_def_adds_decorator(self):
         """Test add decorator to function"""
         source_code = '''
@@ -35,7 +43,7 @@ def test_example():
         tree = ast.parse(source_code)
         assert "mark.testomatio('@T123')" not in tree.body
 
-        updater = DecoratorUpdater([("test_example", "@T123")], ["test_example"], "testomatio")
+        updater = DecoratorUpdater([("test_example", "@T123", "file1")], ["test_example"], "testomatio", "path/file1")
 
         func_node = tree.body[0]
         assert isinstance(func_node, ast.FunctionDef)
@@ -55,7 +63,7 @@ def test_example():
 '''
 
         tree = ast.parse(source_code)
-        updater = DecoratorUpdater([("test_example", "@T123")], [], "testomatio")  # порожній all_tests
+        updater = DecoratorUpdater([("test_example", "@T123", "file1")], [], "testomatio", "path/file1")  # порожній all_tests
 
         func_node = tree.body[0]
         updated_node = updater.visit_FunctionDef(func_node)
@@ -70,7 +78,7 @@ def test_example():
    assert True
 ''')
 
-        updater = DecoratorUpdater([("test_example", "@T123")], ["test_example"], "testomatio")
+        updater = DecoratorUpdater([("test_example", "@T123", "file1")], ["test_example"], "testomatio", "path/file1")
 
         func_node = tree.body[0]
         original_decorators_count = len(func_node.decorator_list)
@@ -87,7 +95,7 @@ def test_example():
    assert True
 ''')
 
-        updater = DecoratorUpdater([], [], "testomatio")
+        updater = DecoratorUpdater([], [], "testomatio", "path/file1")
         func_node = tree.body[0]
 
         updated_node = updater._remove_decorator(func_node)
@@ -107,7 +115,7 @@ def test_two():
    assert False
 ''')
 
-        updater = DecoratorUpdater([], [], "testomatio")
+        updater = DecoratorUpdater([], [], "testomatio", "path/file1")
 
         for node in ast.walk(tree):
             if isinstance(node, ast.FunctionDef):
@@ -144,7 +152,8 @@ def test_subtraction():
 
     def test_update_tests_adds_decorators_and_import(self, temp_test_file):
         """Test update_tests add decorators and import"""
-        mapped_tests = [("test_addition", "@T123"), ("test_subtraction", "@T456")]
+        filename = temp_test_file.split('/')[-1]
+        mapped_tests = [("test_addition", "@T123", filename), ("test_subtraction", "@T456", filename)]
         all_tests = ["test_addition", "test_subtraction"]
 
         update_tests(temp_test_file, mapped_tests, all_tests, "testomatio", remove=False)
@@ -198,7 +207,8 @@ def test_bad_formatting( ):
         with open(temp_test_file, 'w') as f:
             f.write(badly_formatted)
 
-        mapped_tests = [("test_bad_formatting", "@T123")]
+        filename = temp_test_file.split('/')[-1]
+        mapped_tests = [("test_bad_formatting", "@T123", filename)]
         all_tests = ["test_bad_formatting"]
 
         update_tests(temp_test_file, mapped_tests, all_tests, "testomatio", remove=False)
@@ -225,7 +235,8 @@ def test_with_decorators():
         with open(temp_test_file, 'w') as f:
             f.write(content_with_other_decorators)
 
-        mapped_tests = [("test_with_decorators", "@T789")]
+        filename = temp_test_file.split('/')[-1]
+        mapped_tests = [("test_with_decorators", "@T789", filename)]
         all_tests = ["test_with_decorators"]
 
         update_tests(temp_test_file, mapped_tests, all_tests, "testomatio", remove=False)
diff --git a/tests/test_utils/test_helper.py b/tests/test_utils/test_helper.py
index 93a7e3f..1391187 100644
--- a/tests/test_utils/test_helper.py
+++ b/tests/test_utils/test_helper.py
@@ -178,10 +178,11 @@ def test_get_test_mapping_single_test_item(self):
         mock_test_item = Mock(spec=TestItem)
         mock_test_item.title = "Test Addition"
         mock_test_item.id = "@T12345678"
+        mock_test_item.file_name = "file1"
 
         result = get_test_mapping([mock_test_item])
 
-        assert result == [("Test Addition", "@T12345678")]
+        assert result == [("Test Addition", "@T12345678", "file1")]
         assert len(result) == 1
         assert isinstance(result[0], tuple)
 
@@ -190,23 +191,24 @@ def test_get_test_mapping_multiple_test_items(self):
         mock_items = []
 
         test_data = [
-            ("Test Login", "@T11111111"),
-            ("Test Logout", "@T22222222"),
-            ("Test Registration", "@T33333333")
+            ("Test Login", "@T11111111", "file1"),
+            ("Test Logout", "@T22222222", "file1"),
+            ("Test Registration", "@T33333333", "file2")
         ]
 
-        for title, test_id in test_data:
+        for title, test_id, filename in test_data:
             mock_item = Mock(spec=TestItem)
             mock_item.title = title
             mock_item.id = test_id
+            mock_item.file_name = filename
             mock_items.append(mock_item)
 
         result = get_test_mapping(mock_items)
 
         expected = [
-            ("Test Login", "@T11111111"),
-            ("Test Logout", "@T22222222"),
-            ("Test Registration", "@T33333333")
+            ("Test Login", "@T11111111", "file1"),
+            ("Test Logout", "@T22222222", "file1"),
+            ("Test Registration", "@T33333333", "file2")
         ]
 
         assert result == expected
@@ -218,10 +220,11 @@ def test_get_test_mapping_test_items_without_id(self):
         mock_test_item = Mock(spec=TestItem)
         mock_test_item.title = "Test Without ID"
         mock_test_item.id = None
+        mock_test_item.file_name = "file1"
 
         result = get_test_mapping([mock_test_item])
 
-        assert result == [("Test Without ID", None)]
+        assert result == [("Test Without ID", None, "file1")]
 
 
 class TestParseTestList: