diff --git a/dom/base/nsGlobalWindow.cpp b/dom/base/nsGlobalWindow.cpp
index 76549f01aba6..a6f82e24d4d0 100644
--- a/dom/base/nsGlobalWindow.cpp
+++ b/dom/base/nsGlobalWindow.cpp
@@ -8468,6 +8468,12 @@ nsGlobalWindow::GetIndexedDB(nsIIDBFactory** _retval)
   return NS_OK;
 }
 
+NS_IMETHODIMP
+nsGlobalWindow::GetMozIndexedDB(nsIIDBFactory** _retval)
+{
+  return GetIndexedDB(_retval);
+}
+
 //*****************************************************************************
 // nsGlobalWindow::nsIInterfaceRequestor
 //*****************************************************************************
diff --git a/dom/interfaces/storage/nsIDOMStorageIndexedDB.idl b/dom/interfaces/storage/nsIDOMStorageIndexedDB.idl
index c7589c384f94..f35a3f005b42 100644
--- a/dom/interfaces/storage/nsIDOMStorageIndexedDB.idl
+++ b/dom/interfaces/storage/nsIDOMStorageIndexedDB.idl
@@ -15,11 +15,12 @@
 
 interface nsIIDBFactory;
 
-[scriptable, uuid(c5982775-3f65-4d3e-b5f0-2400c987a900)]
+[scriptable, uuid(94ca74e8-9cff-456e-a7a4-a4071a32ff58)]
 interface nsIDOMStorageIndexedDB : nsISupports
 {
   /**
    * Indexed Databases for the current browsing context.
    */
   readonly attribute nsIIDBFactory indexedDB;
+  readonly attribute nsIIDBFactory mozIndexedDB;
 };