diff --git a/master/custom/pr_reporter.py b/master/custom/pr_reporter.py
index 41526d3aa..918f8f21f 100644
--- a/master/custom/pr_reporter.py
+++ b/master/custom/pr_reporter.py
@@ -104,7 +104,8 @@ def sendMessage(self, reports):
         if not change_comments:
             return
 
-        m = re.search(r"\((?:GH-|#)(\d+)\)", change_comments)
+        # GH-42, gh-42, or #42
+        m = re.search(r"\((?:GH-|#)(\d+)\)", change_comments, flags=re.IGNORECASE)
 
         if m is None:
             return