diff --git a/view/src/nsViewManager.cpp b/view/src/nsViewManager.cpp
index 3586ee28819b..52700230eeaa 100644
--- a/view/src/nsViewManager.cpp
+++ b/view/src/nsViewManager.cpp
@@ -541,7 +541,7 @@ nsViewManager::CreateRegion(nsIRegion* *result)
   }
 
   nsIRegion* region = nsnull;
-  rv = CallCreateInstance(mRegionFactory, &region);
+  rv = CallCreateInstance(mRegionFactory.get(), &region);
   if (NS_SUCCEEDED(rv)) {
     rv = region->Init();
     *result = region;