diff --git a/toolkit/components/places/src/nsNavBookmarks.h b/toolkit/components/places/src/nsNavBookmarks.h
index 3d9fd4ea614..36664f260a8 100644
--- a/toolkit/components/places/src/nsNavBookmarks.h
+++ b/toolkit/components/places/src/nsNavBookmarks.h
@@ -171,7 +171,7 @@ private:
   nsresult SetItemDateInternal(mozIStorageStatement* aStatement, PRInt64 aItemId, PRTime aValue);
 
   // Structure to hold folder's children informations
-  typedef struct folderChildrenInfo
+  struct folderChildrenInfo
   {
     PRInt64 itemId;
     PRUint16 itemType;