diff --git a/ArduPlane/defines.h b/ArduPlane/defines.h
index 0bf6c199fd..55b493048b 100644
--- a/ArduPlane/defines.h
+++ b/ArduPlane/defines.h
@@ -163,7 +163,7 @@ enum log_messages {
 #define MASK_LOG_RC                     (1<<13)
 #define MASK_LOG_SONAR                  (1<<14)
 #define MASK_LOG_ARM_DISARM             (1<<15)
-#define MASK_LOG_WHEN_DISARMED          (1UL<<30)
+#define MASK_LOG_WHEN_DISARMED          (1UL<<16)
 
 // Waypoint Modes
 // ----------------