diff --git a/ArduPlane/AP_Arming.cpp b/ArduPlane/AP_Arming.cpp
index 49d91b9365..5fff06fcfe 100644
--- a/ArduPlane/AP_Arming.cpp
+++ b/ArduPlane/AP_Arming.cpp
@@ -229,8 +229,7 @@ bool AP_Arming_Plane::ins_checks(bool display_failure)
     }
 
     // additional plane specific checks
-    if ((checks_to_perform & ARMING_CHECK_ALL) ||
-        (checks_to_perform & ARMING_CHECK_INS)) {
+    if (check_enabled(ARMING_CHECK_INS)) {
         char failure_msg[50] = {};
         if (!AP::ahrs().pre_arm_check(true, failure_msg, sizeof(failure_msg))) {
             check_failed(ARMING_CHECK_INS, display_failure, "AHRS: %s", failure_msg);