diff --git a/src/server/game/Globals/ObjectMgr.cpp b/src/server/game/Globals/ObjectMgr.cpp
index 9f2aeebd16..99e20d0d69 100644
--- a/src/server/game/Globals/ObjectMgr.cpp
+++ b/src/server/game/Globals/ObjectMgr.cpp
@@ -8486,7 +8486,7 @@ bool ObjectMgr::IsVendorItemValid(uint32 vendor_entry, uint32 item_id, int32 max
     if (!vItems)
         return true;                                        // later checks for non-empty lists
 
-    if(vItems->FindItemCostPair(item_id,extendedCostId))
+    if (vItems->FindItemCostPair(item_id, ExtendedCost))
     {
         if (pl)
             ChatHandler(pl).PSendSysMessage(LANG_ITEM_ALREADY_IN_LIST, item_id, extendedCostId);