diff --git a/src/demo/formula.1.racer.a b/src/demo/formula.1.racer.a
index 50e17ae..6e87ab6 100644
--- a/src/demo/formula.1.racer.a
+++ b/src/demo/formula.1.racer.a
@@ -31,7 +31,7 @@
          stx   $72B0
          lda   #$2C
          sta   $71D0
-         stx   $71D5
+         sta   $71D5
          sta   $71DA      ; reset vector patch
          sta   $6584
          sta   $67CC      ; don't check joystick buttons