diff --git a/toolkit/components/places/src/nsNavHistoryResult.cpp b/toolkit/components/places/src/nsNavHistoryResult.cpp
index 65e6fe9ba7d..f98b97f1073 100644
--- a/toolkit/components/places/src/nsNavHistoryResult.cpp
+++ b/toolkit/components/places/src/nsNavHistoryResult.cpp
@@ -3593,10 +3593,12 @@ NS_IMPL_CYCLE_COLLECTION_CLASS(nsNavHistoryResult)
 
 NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(nsNavHistoryResult)
   NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mRootNode)
+  NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mView)
 NS_IMPL_CYCLE_COLLECTION_UNLINK_END 
 
 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(nsNavHistoryResult)
   NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR_AMBIGUOUS(mRootNode, nsINavHistoryContainerResultNode)
+  NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mView)
 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
 
 NS_IMPL_CYCLE_COLLECTING_ADDREF(nsNavHistoryResult)