diff --git a/pylama/hook.py b/pylama/hook.py
index 029c9dc..9f1a9b9 100644
--- a/pylama/hook.py
+++ b/pylama/hook.py
@@ -26,7 +26,7 @@ def run(command: str) -> Tuple[int, List[bytes], List[bytes]]:
 
 def git_hook(error=True):
     """Run pylama after git commit."""
-    _, files_modified, _ = run("git diff-index --cached --name-only HEAD")
+    _, files_modified, _ = run("@git@ diff-index --cached --name-only HEAD")
 
     options = parse_options()
     setup_logger(options)