diff --git a/src/servers/Server_Common/Network/PacketDef/Ipcs.h b/src/servers/Server_Common/Network/PacketDef/Ipcs.h
index 63af3bfd..3668619c 100644
--- a/src/servers/Server_Common/Network/PacketDef/Ipcs.h
+++ b/src/servers/Server_Common/Network/PacketDef/Ipcs.h
@@ -73,7 +73,7 @@ namespace Packets {
       GCAffiliation              = 0x00FC,
 
       ActorSetPos                = 0x0114,
-      ActorCast                  = 0x0116,
+      ActorCast                  = 0x0123, // updated 4.1
       PlayerSpawn                = 0x011C, // updated 4.1
       NpcSpawn                   = 0x011D, // updated 4.1
       ActorMove                  = 0x011E, // updated 4.1