diff --git a/src/netcode/i_tcp.c b/src/netcode/i_tcp.c
index bc89fb87e..bc8a5d1c4 100644
--- a/src/netcode/i_tcp.c
+++ b/src/netcode/i_tcp.c
@@ -1187,10 +1187,10 @@ boolean I_InitTcpDriver(void)
 	{
 		I_AddExitFunc(I_ShutdownTcpDriver);
 #ifdef HAVE_MINIUPNPC
-		if (M_CheckParm("-useUPnP"))
-			I_InitUPnP();
-		else
+		if (M_CheckParm("-noUPnP"))
 			UPNP_support = false;
+		else
+			I_InitUPnP();
 #endif
 	}
 	return init_tcp_driver;