diff --git a/Tools/autotest/common.py b/Tools/autotest/common.py
index d8bba3865e..e674982ef0 100644
--- a/Tools/autotest/common.py
+++ b/Tools/autotest/common.py
@@ -10121,6 +10121,9 @@ switch value'''
                 want_result=mavutil.mavlink.MAV_RESULT_FAILED
             )
             self.wait_statustext("PreArm: Motors Emergency Stopped", check_context=True)
+            self.reboot_sitl()
+            self.delay_sim_time(10)
+            self.assert_prearm_failure("Motors Emergency Stopped")
             self.context_pop()
             self.reboot_sitl()