--- a/toolkit/components/places/SQLFunctions.cpp
+++ b/toolkit/components/places/SQLFunctions.cpp
@@ -571,17 +571,17 @@ namespace places {
     const nsNavHistory* history = nsNavHistory::GetConstHistoryService();
     NS_ENSURE_STATE(history);
     RefPtr<Database> DB = Database::GetDatabase();
     NS_ENSURE_STATE(DB);
 
 
     // Fetch the page stats from the database.
     {
-      RefPtr<mozIStorageStatement> getPageInfo = DB->GetStatement(
+      nsCOMPtr<mozIStorageStatement> getPageInfo = DB->GetStatement(
         "SELECT typed, visit_count, foreign_count, "
                "(substr(url, 0, 7) = 'place:') "
         "FROM moz_places "
         "WHERE id = :page_id "
       );
       NS_ENSURE_STATE(getPageInfo);
       mozStorageStatementScoper infoScoper(getPageInfo);
 

--- a/toolkit/components/places/nsNavHistory.cpp
+++ b/toolkit/components/places/nsNavHistory.cpp
@@ -2609,17 +2609,17 @@ nsNavHistory::OnEndVacuum(bool aSucceede
 
 ////////////////////////////////////////////////////////////////////////////////
 //// nsPIPlacesDatabase
 
 NS_IMETHODIMP
 nsNavHistory::GetDBConnection(mozIStorageConnection **_DBConnection)
 {
   NS_ENSURE_ARG_POINTER(_DBConnection);
-  RefPtr<mozIStorageConnection> connection = mDB->MainConn();
+  nsCOMPtr<mozIStorageConnection> connection = mDB->MainConn();
   connection.forget(_DBConnection);
 
   return NS_OK;
 }
 
 NS_IMETHODIMP
 nsNavHistory::GetShutdownClient(nsIAsyncShutdownClient **_shutdownClient)
 {