diff --git a/open-led-race/open-led-race.ino b/open-led-race/open-led-race.ino
index f4f1c74..731a273 100644
--- a/open-led-race/open-led-race.ino
+++ b/open-led-race/open-led-race.ino
@@ -144,7 +144,7 @@ void setup() {
     track_configure( &tck, 0 );
   }
 
-  if( controller_isActive( DIGITAL_CTRL[CTRL_3])  || param_option_is_active(&tck.cfg, SLOPE_MODE_OPTION) ) { // push switch 1 on reset for activate physics
+  if( controller_isActive( DIGITAL_CTRL[CTRL_1])  || param_option_is_active(&tck.cfg, SLOPE_MODE_OPTION) ) { // push switch 1 on reset for activate physics
     ramp_init( &tck );    
     draw_ramp( &tck );
     track.show();