diff --git a/geojson_modelica_translator/modelica/modelica_runner.py b/geojson_modelica_translator/modelica/modelica_runner.py
index e6b7fb492..797e54944 100644
--- a/geojson_modelica_translator/modelica/modelica_runner.py
+++ b/geojson_modelica_translator/modelica/modelica_runner.py
@@ -423,7 +423,7 @@ def cleanup_path(self, path: Path, model_name: str, **kwargs: dict) -> None:
 
         # Remove the 'tmp' folder that was created by 5G simulations,
         # because it will have different permissions than the user running the container (especially in CI)
-        if (path / 'tmp' / 'temperatureResponseMatrix').is_dir():
+        if (path / 'tmp' / 'temperatureResponseMatrix').exists():
             logger.debug(f'Removing {path / "tmp" / "temperatureResponseMatrix/"}...')
             logger.debug((path / 'tmp' / 'temperatureResponseMatrix').stat().st_mode)
             (path / 'tmp' / 'temperatureResponseMatrix').chmod(0o666)