diff --git a/src/bin/platformer/main.rs b/src/bin/platformer/main.rs
index a89fdc8..c8e97f5 100644
--- a/src/bin/platformer/main.rs
+++ b/src/bin/platformer/main.rs
@@ -336,19 +336,19 @@ async fn main () -> Result <()> {
 		graphics.draw (&game_state, &mut gl_state, &level, &camera);
 		graphics.frames += 1;
 		
-		if graphics.frames == next_mpf_print {
+		if graphics.frames == next_upf_print {
 			let now = Instant::now ();
-			let mpf = (now - last_mpf_instant).as_millis () / 60;
+			let upf = (now - last_upf_instant).as_micros () / 60;
 			
-			dbg! (mpf);
+			dbg! (upf);
 			
-			next_mpf_print += 60;
-			last_mpf_instant = now;
+			next_upf_print += 60;
+			last_upf_instant = now;
 		}
 		
 		window.gl_swap_window ();
 		
-		tokio::time::sleep (Duration::from_millis (15)).await;
+		tokio::time::sleep (Duration::from_millis (10)).await;
 	}
 	
 	Ok (())