diff --git a/comment.py b/comment.py
index 9cb7d7e..054368c 100755
--- a/comment.py
+++ b/comment.py
@@ -69,6 +69,6 @@ if __name__ == '__main__':
                 text = 'exit'
                 print(text)
             if text == 'exit':
-                sys.exit(0)
+                break
             else:
                 comment(text)