diff --git a/libraries/AP_Arming/AP_Arming.h b/libraries/AP_Arming/AP_Arming.h
index 5f0b2aadf2..d8c523cc97 100644
--- a/libraries/AP_Arming/AP_Arming.h
+++ b/libraries/AP_Arming/AP_Arming.h
@@ -30,9 +30,9 @@ public:
     };
 
     enum ArmingRequired {
-        NO = 0,
-        YES_MIN_PWM,
-        YES_ZERO_PWM,
+        NO           = 0,
+        YES_MIN_PWM  = 1,
+        YES_ZERO_PWM = 2
     };
 
     //for the hacky funciton pointer to gcs_send_text_p