diff --git a/pre_commit_hooks/check_json.py b/pre_commit_hooks/check_json.py
index db589d0..96ba024 100644
--- a/pre_commit_hooks/check_json.py
+++ b/pre_commit_hooks/check_json.py
@@ -37,4 +37,4 @@
 
 
 if __name__ == '__main__':
-    exit(main())
+    raise SystemExit(main())