diff --git a/Tools/autotest/arduplane.py b/Tools/autotest/arduplane.py
index 739a990d107f24..cc12a4baf1a350 100644
--- a/Tools/autotest/arduplane.py
+++ b/Tools/autotest/arduplane.py
@@ -2193,6 +2193,7 @@ def AIRSPEED_AUTOCAL(self):
     def deadreckoning_main(self, disable_airspeed_sensor=False):
         self.set_parameter("EK3_OPTIONS", 1)
         self.set_parameter("AHRS_OPTIONS", 3)
+        self.set_parameter("LOG_REPLAY", 1)
         self.reboot_sitl()
         self.wait_ready_to_arm()
         self.gpi = None