diff --git a/gh-md-toc b/gh-md-toc
index 8d35839..a23d2f7 100755
--- a/gh-md-toc
+++ b/gh-md-toc
@@ -69,7 +69,7 @@ gh_toc_md2html() {
 
     local gh_tmp_file_md=$gh_file_md
     if [ "$skip_header" = "yes" ]; then
-        if grep -Fxq "<!--te-->" $gh_src; then
+        if grep -Fxq "<!--te-->" "$gh_src"; then
           # cut everything before the toc
           gh_tmp_file_md=$gh_file_md~~
           sed '1,/<!--te-->/d' $gh_file_md > $gh_tmp_file_md
@@ -168,7 +168,7 @@ gh_toc(){
         local toc=`echo "$rawhtml" | gh_toc_grab "$gh_src_copy" "$indent"`
         echo "$toc"
         if [ "$need_replace" = "yes" ]; then
-            if grep -Fxq "<!--ts-->" $gh_src && grep -Fxq "<!--te-->" $gh_src; then
+            if grep -Fxq "<!--ts-->" "$gh_src" && grep -Fxq "<!--te-->" "$gh_src"; then
                 echo "Found markers"
             else
                 echo "You don't have <!--ts--> or <!--te--> in your file...exiting"
@@ -198,7 +198,7 @@ gh_toc(){
             fi
             echo
             if [ "${no_backup}" = "yes" ]; then
-                rm ${toc_path} ${gh_src}${ext}
+                rm "$toc_path" "$gh_src$ext"
             fi
             echo "!! TOC was added into: '$gh_src'"
             if [ -z "${no_backup}" ]; then
diff --git a/tests/test directory/test_filepathwithspace.md b/tests/test directory/test_filepathwithspace.md
new file mode 100644
index 0000000..aea1249
--- /dev/null
+++ b/tests/test directory/test_filepathwithspace.md	
@@ -0,0 +1,17 @@
+# Title
+
+<!--ts-->
+
+- [Title](#title)
+  - [This is test for file path with space](#this-is-test-for-file-path-with-space)
+
+<!-- Created by https://github.com/ekalinin/github-markdown-toc -->
+<!-- Added by: sungminyou, at: 2022년 7월 17일 일요일 16시 48분 18초 KST -->
+
+<!--te-->
+
+Blabla...
+
+## This is test for file path with space
+
+Blabla...
diff --git a/tests/tests.bats b/tests/tests.bats
index 5431db5..ee525b9 100755
--- a/tests/tests.bats
+++ b/tests/tests.bats
@@ -201,3 +201,11 @@ test_help() {
 
     assert_equal "${lines[2]}" "* [C vs C++](#c-vs-c)"
 }
+
+@test "Toc for file path with space, #136" {
+    run $BATS_TEST_DIRNAME/../gh-md-toc --insert tests/test\ directory/test_filepathwithspace.md
+    assert_success
+
+    assert_equal "${lines[2]}"   "* [Title](#title)"
+    assert_equal "${lines[3]}"   "   * [This is test for file path with space](#this-is-test-for-file-path-with-space)"
+}
\ No newline at end of file