diff --git a/src/main/fc/runtime_config.h b/src/main/fc/runtime_config.h
index de2623a315..a54f287bd3 100644
--- a/src/main/fc/runtime_config.h
+++ b/src/main/fc/runtime_config.h
@@ -29,18 +29,22 @@ extern uint8_t armingFlags;
 #define ENABLE_ARMING_FLAG(mask) (armingFlags |= (mask))
 #define ARMING_FLAG(mask) (armingFlags & (mask))
 
+/*
+ * Arming disable flags are listed in the order of criticalness.
+ * (Beeper code can notify the most critical reason.)
+ */
 typedef enum {
-    ARMING_DISABLED_FAILSAFE    = (1 << 0),
-    ARMING_DISABLED_BOXFAILSAFE = (1 << 1),
-    ARMING_DISABLED_THROTTLE    = (1 << 2),
-    ARMING_DISABLED_ANGLE       = (1 << 3),
-    ARMING_DISABLED_LOAD        = (1 << 4),
-    ARMING_DISABLED_CALIBRATING = (1 << 5),
-    ARMING_DISABLED_CLI         = (1 << 6),
-    ARMING_DISABLED_CMS_MENU    = (1 << 7),
-    ARMING_DISABLED_OSD_MENU    = (1 << 8),
-    ARMING_DISABLED_BST         = (1 << 9),
-    ARMING_DISABLED_NO_GYRO     = (1 << 10),
+    ARMING_DISABLED_NO_GYRO     = (1 << 0),
+    ARMING_DISABLED_FAILSAFE    = (1 << 1),
+    ARMING_DISABLED_BOXFAILSAFE = (1 << 2),
+    ARMING_DISABLED_THROTTLE    = (1 << 3),
+    ARMING_DISABLED_ANGLE       = (1 << 4),
+    ARMING_DISABLED_LOAD        = (1 << 5),
+    ARMING_DISABLED_CALIBRATING = (1 << 6),
+    ARMING_DISABLED_CLI         = (1 << 7),
+    ARMING_DISABLED_CMS_MENU    = (1 << 8),
+    ARMING_DISABLED_OSD_MENU    = (1 << 9),
+    ARMING_DISABLED_BST         = (1 << 10),
 } armingDisableFlags_e;
 
 void setArmingDisabled(armingDisableFlags_e flag);