diff --git a/mozilla/content/base/src/nsDocument.cpp b/mozilla/content/base/src/nsDocument.cpp
index 01b34cb9e17..1011db3f793 100644
--- a/mozilla/content/base/src/nsDocument.cpp
+++ b/mozilla/content/base/src/nsDocument.cpp
@@ -2372,8 +2372,10 @@ nsDocument::SetTitle(const nsAReadableString& aTitle)
   // Fire a DOM event for the title change.
   nsCOMPtr<nsIDOMEvent> event;
   CreateEvent(NS_LITERAL_STRING("Events"), getter_AddRefs(event));
-  event->InitEvent(NS_LITERAL_STRING("DOMTitleChanged"), PR_TRUE, PR_TRUE);
-  DispatchEvent(event);
+  if (event) {
+    event->InitEvent(NS_LITERAL_STRING("DOMTitleChanged"), PR_TRUE, PR_TRUE);
+    DispatchEvent(event);
+  }
 
   return NS_OK;
 }
diff --git a/mozilla/content/xul/document/src/nsXULDocument.cpp b/mozilla/content/xul/document/src/nsXULDocument.cpp
index 5eb534ed073..7b745ecd7da 100644
--- a/mozilla/content/xul/document/src/nsXULDocument.cpp
+++ b/mozilla/content/xul/document/src/nsXULDocument.cpp
@@ -3058,9 +3058,11 @@ nsXULDocument::SetTitle(const nsAReadableString& aTitle)
     // Fire a DOM event for the title change.
     nsCOMPtr<nsIDOMEvent> event;
     CreateEvent(NS_LITERAL_STRING("Events"), getter_AddRefs(event));
-    event->InitEvent(NS_LITERAL_STRING("DOMTitleChanged"), PR_TRUE, PR_TRUE);
-    DispatchEvent(event);
-
+    if (event) {
+      event->InitEvent(NS_LITERAL_STRING("DOMTitleChanged"), PR_TRUE, PR_TRUE);
+      DispatchEvent(event);
+    }
+    
     return NS_OK;
 }