diff --git a/src/main.rs b/src/main.rs
index 66ae2db..3f99673 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -194,7 +194,7 @@ impl Drawable for Circle {
     };
     let rgb: color::Rgb = hsv_color.into();
 
-     let radius = tick % (1080/2);
+     let radius = (tick/30) % (1080/2);
      self.draw_circle(display,self.x,self.y,radius.try_into().unwrap(),rgb.r,rgb.g,rgb.b);
     }   
 }