diff --git a/mozilla/extensions/wallet/src/wallet.cpp b/mozilla/extensions/wallet/src/wallet.cpp
index dea9648382e..911a65a9ec6 100644
--- a/mozilla/extensions/wallet/src/wallet.cpp
+++ b/mozilla/extensions/wallet/src/wallet.cpp
@@ -1059,7 +1059,7 @@ wallet_WriteToList(
         added_to_list = PR_TRUE;
         break;
       }
-    } else if(Compare(NS_READABLE_CAST(PRUnichar,mapElementPtr->item1), item1)>=0) {
+    } else if((mapElementPtr->item1.Compare(item1))>=0) {
       list->InsertElementAt(mapElement, i);
       added_to_list = PR_TRUE;
       break;