diff --git a/playbooks/roles/flag_build_commits/files/flag_commit_build.py b/playbooks/roles/flag_build_commits/files/flag_commit_build.py
index 387e81c..7d617ef 100644
--- a/playbooks/roles/flag_build_commits/files/flag_commit_build.py
+++ b/playbooks/roles/flag_build_commits/files/flag_commit_build.py
@@ -29,7 +29,7 @@ def _koji_hub_link(msg):
         raise NotImplementedError("Unhandled instance")
 
     # One last little switch-a-roo for stg
-    if '.stg.' in msg['request'][0]:
+    if msg['request'] and '.stg.' in msg['request'][0]:
         base = "https://koji.stg.fedoraproject.org/kojihub"
 
     return base