diff --git a/sys/src/games/snes/snes.c b/sys/src/games/snes/snes.c
index 769ecb473..7d37fcbc3 100644
--- a/sys/src/games/snes/snes.c
+++ b/sys/src/games/snes/snes.c
@@ -220,7 +220,7 @@ flush(void)
 	extern Rectangle picr;
 	extern Mousectl *mc;
 	flushmouse(!mouse);
-	while(nbrecv(mc->c, &m) > 0){
+	while(mouse && nbrecv(mc->c, &m) > 0){
 		if(ptinrect(m.xy, picr)){
 			p = subpt(m.xy, picr.min);
 			p.x /= scale;