diff --git a/saco/net/netgame.cpp b/saco/net/netgame.cpp
index 38a3b30..91b3375 100644
--- a/saco/net/netgame.cpp
+++ b/saco/net/netgame.cpp
@@ -7,7 +7,7 @@ extern CChatWindow   *pChatWindow;
 
 //----------------------------------------------------
 
-BYTE GetPacketID(Packet *p)
+BYTE __stdcall GetPacketID(Packet *p)
 {
 	if (p==0) return 255;