diff --git a/pre_commit/__main__.py b/pre_commit/__main__.py
index 54140687..82c5ecd5 100644
--- a/pre_commit/__main__.py
+++ b/pre_commit/__main__.py
@@ -1,5 +1,4 @@
 from pre_commit.main import main
 
 
-if __name__ == '__main__':
-    exit(main())
+raise SystemExit(main())