diff --git a/spindle_control.c b/spindle_control.c
index cd14f94..e7a63b8 100644
--- a/spindle_control.c
+++ b/spindle_control.c
@@ -27,7 +27,7 @@
 
 #define RC_SERVO_SHORT     15       // Timer ticks for 0.6ms pulse duration  (9 for 0.6ms)
 #define RC_SERVO_LONG      32       // Timer ticks for 2.5 ms pulse duration  (39 for 2.5ms)     
-//#define RC_SERVO_INVERT     1     // Uncomment to invert servo direction
+#define RC_SERVO_INVERT     1     // Uncomment to invert servo direction
 
 
 void spindle_init()
@@ -121,4 +121,4 @@ void spindle_run(uint8_t direction, float rpm)
   }
 }
 spindle_set_state(uint8_t state, float rpm){
-}
\ No newline at end of file
+}