diff --git a/engine/server/sv_mvd.c b/engine/server/sv_mvd.c
index 70e9cf89b..6d35a4721 100644
--- a/engine/server/sv_mvd.c
+++ b/engine/server/sv_mvd.c
@@ -151,7 +151,7 @@ void SV_MVD_RunPendingConnections(void)
 	{
 		np = demo.pendingdest->nextdest;
 
-		if (demo.pendingdest->socket != -1)
+		if (demo.pendingdest->socket != INVALID_SOCKET)
 			closesocket(demo.pendingdest->socket);
 		Z_Free(demo.pendingdest);
 		demo.pendingdest = np;