diff --git a/monai/transforms/io/array.py b/monai/transforms/io/array.py
index a256a16ec8..de9a8800a2 100644
--- a/monai/transforms/io/array.py
+++ b/monai/transforms/io/array.py
@@ -42,7 +42,7 @@ def switch_endianness(data, old, new):
         if data.dtype.byteorder == old:
             data = data.newbyteorder(new)
     elif isinstance(data, tuple):
-        data = (switch_endianness(x, old, new) for x in data)
+        data = tuple(switch_endianness(x, old, new) for x in data)
     elif isinstance(data, list):
         data = [switch_endianness(x, old, new) for x in data]
     elif isinstance(data, dict):
diff --git a/tests/test_nifti_endianness.py b/tests/test_nifti_endianness.py
index 14317c0832..d8adb1efb2 100644
--- a/tests/test_nifti_endianness.py
+++ b/tests/test_nifti_endianness.py
@@ -8,6 +8,7 @@
 
 from monai.data import DataLoader, Dataset, create_test_image_2d
 from monai.transforms import LoadImage, LoadImaged
+from monai.transforms.io.array import switch_endianness
 from monai.utils.module import optional_import
 
 if TYPE_CHECKING:
@@ -43,6 +44,11 @@ def test_endianness(self, endianness, use_array, image_only):
         check_loader = DataLoader(check_ds, batch_size=1)
         _ = next(iter(check_loader))
 
+    def test_switch(self):  # verify data types
+        for data in (np.zeros((2, 1)), ("test",), [24, 42], {"foo": "bar"}, True, 42):
+            output = switch_endianness(data, ">", "<")
+            self.assertEqual(type(data), type(output))
+
 
 if __name__ == "__main__":
     unittest.main()