diff --git a/modules/git_webhooks/github.py b/modules/git_webhooks/github.py
index 3bf56cf6..20a3fb74 100644
--- a/modules/git_webhooks/github.py
+++ b/modules/git_webhooks/github.py
@@ -247,7 +247,7 @@ class GitHub(object):
         return outputs
 
     def _comment(self, s):
-        s = s.split("\n")[0].strip()
+        s_line = s.split("\n")[0].strip()
         left, right = s_line[:COMMENT_MAX], s_line[COMMENT_MAX:]
         if not right:
             return left