diff --git a/build.sh b/build.sh
index 0bdf540..83d0635 100755
--- a/build.sh
+++ b/build.sh
@@ -54,9 +54,9 @@ then
 fi
 
 echo "Assembling.."
-./bin/uxnasm projects/examples/devices/screen.tal bin/screen.rom
+./bin/uxnasm projects/examples/demos/theme.tal bin/theme.rom
 
 echo "Running.."
-./bin/uxnemu bin/screen.rom
+./bin/uxnemu bin/theme.rom
 
 echo "Done."
diff --git a/src/uxnemu.c b/src/uxnemu.c
index 193263e..2db48c0 100644
--- a/src/uxnemu.c
+++ b/src/uxnemu.c
@@ -213,8 +213,8 @@ static void
 domouse(SDL_Event *event)
 {
 	Uint8 flag = 0x00;
-	Uint16 x = clamp(event->motion.x - PAD, 0, ppu.width - 1);
-	Uint16 y = clamp(event->motion.y - PAD, 0, ppu.height - 1);
+	Uint16 x = clamp(event->motion.x / zoom - PAD, 0, ppu.width - 1);
+	Uint16 y = clamp(event->motion.y / zoom - PAD, 0, ppu.height - 1);
 	mempoke16(devmouse->dat, 0x2, x);
 	mempoke16(devmouse->dat, 0x4, y);
 	switch(event->button.button) {