diff --git a/view/src/nsViewManager.cpp b/view/src/nsViewManager.cpp
index 82afaad3736d..7d2e1cc0bfc6 100644
--- a/view/src/nsViewManager.cpp
+++ b/view/src/nsViewManager.cpp
@@ -49,7 +49,12 @@ nsViewManager :: nsViewManager()
 
 nsViewManager :: ~nsViewManager()
 {
-  NS_IF_RELEASE(mTimer);
+  if (nsnull != mTimer)
+  {
+    mTimer->Cancel();     //XXX this should not be necessary. MMP
+    NS_RELEASE(mTimer);
+  }
+
   NS_IF_RELEASE(mRootWindow);
   NS_IF_RELEASE(mRootView);