diff --git a/content/xul/document/src/nsXULDocument.h b/content/xul/document/src/nsXULDocument.h
index 680c7061cdb1..a8993bca8236 100644
--- a/content/xul/document/src/nsXULDocument.h
+++ b/content/xul/document/src/nsXULDocument.h
@@ -298,7 +298,7 @@ public:
 
     NS_IMETHOD FindNext(const nsAReadableString &aSearchStr, PRBool aMatchCase, PRBool aSearchDown, PRBool &aIsFound);
 
-    NS_IMETHOD FlushPendingNotifications(PRBool aFlushReflows = PR_TRUE, PRBool aUpdateViews = PR_TRUE);
+    NS_IMETHOD FlushPendingNotifications(PRBool aFlushReflows = PR_TRUE, PRBool aUpdateViews = PR_FALSE);
 
     NS_IMETHOD GetAndIncrementContentID(PRInt32* aID);