diff --git a/src/realmd/AuthCodes.h b/src/realmd/AuthCodes.h
index 3b9c8845c..93a29ae67 100644
--- a/src/realmd/AuthCodes.h
+++ b/src/realmd/AuthCodes.h
@@ -66,9 +66,9 @@ enum LoginResult
 
 // we need to stick to 1 version or half of the stuff will work for someone
 // others will not and opposite
-// will only support WoW, WoW:TBC and WoW:WotLK 3.3.0 client build 10596...
+// will only support WoW, WoW:TBC and WoW:WotLK 3.3.0 client build 10623...
 
-#define EXPECTED_MANGOS_CLIENT_BUILD        {10596, 0}
+#define EXPECTED_MANGOS_CLIENT_BUILD        {10623, 0}
 
 // At update excepted builds please update if need define DEFAULT_MAX_LEVEL
 // in DBCEnum.h to default max player level expected by build