diff --git a/mozilla/xpcom/components/nsNativeComponentLoader.cpp b/mozilla/xpcom/components/nsNativeComponentLoader.cpp
index 595505f3f43..41575ecea9b 100644
--- a/mozilla/xpcom/components/nsNativeComponentLoader.cpp
+++ b/mozilla/xpcom/components/nsNativeComponentLoader.cpp
@@ -182,7 +182,7 @@ nsNativeComponentLoader::Init(nsIComponentManager *aCompMgr, nsISupports *aReg)
 
     mCompMgr = aCompMgr;
     mRegistry = do_QueryInterface(aReg);
-    if (!mCompMgr.get() || !mRegistry)
+    if (!mCompMgr || !mRegistry)
         return NS_ERROR_INVALID_ARG;
 
     rv = mRegistry->GetSubtree(nsIRegistry::Common, xpcomKeyName,
diff --git a/mozilla/xpcom/components/nsNativeComponentLoader.h b/mozilla/xpcom/components/nsNativeComponentLoader.h
index 7a6aa9aa5c8..e1a2f905829 100644
--- a/mozilla/xpcom/components/nsNativeComponentLoader.h
+++ b/mozilla/xpcom/components/nsNativeComponentLoader.h
@@ -45,7 +45,7 @@ class nsNativeComponentLoader : public nsIComponentLoader {
 
  protected:
     nsCOMPtr<nsIRegistry> mRegistry;
-    nsCOMPtr<nsIComponentManager> mCompMgr;
+    nsIComponentManager* mCompMgr;      // weak reference -- backpointer
     nsObjectHashtable*  mDllStore;
     NS_IMETHOD RegisterComponentsInDir(PRInt32 when, nsIFileSpec *dir);
     nsIRegistry::Key mXPCOMKey;