diff --git a/tests/test_ppt_vision_audit.py b/tests/test_ppt_vision_audit.py
index 83d2552..ab5a919 100644
--- a/tests/test_ppt_vision_audit.py
+++ b/tests/test_ppt_vision_audit.py
@@ -78,7 +78,7 @@ def test_check_ppt_file_libreoffice_not_installed(monkeypatch):
         ppt_path = f.name
 
     try:
-        with patch('services.ppt_vision_service.subprocess.run',
+        with patch('subprocess.run',
                    side_effect=FileNotFoundError('libreoffice')):
             svc = PPTVisionService()
             result = svc.check_ppt_file(ppt_path)