diff --git a/magnitest.p8 b/magnitest.p8
index 8150d93..6b3b7fc 100644
--- a/magnitest.p8
+++ b/magnitest.p8
@@ -57,7 +57,7 @@ function _update60()
  local a,b=abs(gdx),abs(gdy)
  if (b>a) a,b=b,a
  magnitude = 1
- while magnitude < a do
+ while magnitude*64 < a do
   magnitude *= 2
  end