diff --git a/python/helpers/pycharm/_jb_nosetest_runner.py b/python/helpers/pycharm/_jb_nosetest_runner.py
index 0887c4b28b25..51e318fc27d4 100644
--- a/python/helpers/pycharm/_jb_nosetest_runner.py
+++ b/python/helpers/pycharm/_jb_nosetest_runner.py
@@ -9,7 +9,7 @@ from teamcity.nose_report import TeamcityReport
 
 if __name__ == '__main__':
     path, targets, additional_args = jb_start_tests()
-    sys.argv += [path] if path else jb_patch_separator(targets, fs_glue=".", python_glue=".", fs_to_python_glue=":")
+    sys.argv += [path] if path else jb_patch_separator(targets, fs_glue="/", python_glue=".", fs_to_python_glue=".py:")
     sys.argv += additional_args
     jb_doc_args("Nosetest", sys.argv)
     nose.main(addplugins=[TeamcityReport()])