1 files changed, 4 insertions, 2 deletions
diff --git a/data/tweaks/bug-page-mod.js b/data/tweaks/bug-page-mod.js
index 9d80abc..482108e 100644
--- a/data/tweaks/bug-page-mod.js
+++ b/data/tweaks/bug-page-mod.js
@@ -196,8 +196,10 @@ function tweakBugzilla(d, cData) {
   var CheckinComment = new CheckinCommentCtor();
   CheckinComment.initialize(d, AttachmentFlagHandler._interestingFlags);
 
-  var XMLRPCUrl = cData.XMLRPCData[d.location.hostname].url;
-  collectHistory(XMLRPCUrl);
+  if (d.location.hostname in cData.XMLRPCData) {
+    var XMLRPCUrl = cData.XMLRPCData[d.location.hostname].url;
+    collectHistory(XMLRPCUrl);
+  }
 
   tbplbotSpamCollapser(d);
 }