diff --git a/ubb-la/gui.c b/ubb-la/gui.c
index 5c7a7c2..0c0f3f7 100644
--- a/ubb-la/gui.c
+++ b/ubb-la/gui.c
@@ -216,7 +216,7 @@ void gui(const uint8_t *buf, int skip, int nibbles)
 		show_buffer(buf, skip, nibbles, CH_XOFF, XRES, zoom, pos);
 		update();
 
-		do {
+		while (1) {
 			SDL_WaitEvent(&event);
 			switch (event.type) {
 			case SDL_KEYDOWN:
@@ -242,7 +242,7 @@ void gui(const uint8_t *buf, int skip, int nibbles)
 			default:
 				continue;
 			}	
+			break;
 		}
-		while (0);
 	}
 }