diff --git a/src/main.rs b/src/main.rs
index 252e60e..6bbfe53 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -86,7 +86,7 @@ pub async fn make_gif(
   draw: Arc<Mutex<QuickDraw>>,
 ) -> Result<Vec<u8>, Error> {
   const STEP: usize = 30;
-  const RADIUS: f32 = 10.0;
+  const RADIUS: f32 = 9.0;
   let image = image::io::Reader::new(Cursor::new(input.to_vec().as_slice()))
     .with_guessed_format()
     .map_err(|_| Error::CantGuessFormat)?