diff --git a/tests/test_dicom.py b/tests/test_dicom.py
index 94c2f887bea06d2febe7a812e1fd1a9c6732124a..2e214bfa0d1bcea656519028ed6cf9e787492a29 100644
--- a/tests/test_dicom.py
+++ b/tests/test_dicom.py
@@ -43,7 +43,7 @@ def test_enabled():
         fsldcm.enabled.invalidate()
         # test dcm2niix not present
         with mock.patch('subprocess.check_output',
-                        side_effect=FileNotFoundError()):
+                        side_effect=Exception()):
             assert not fsldcm.enabled()
 
         # test presence of different versions