diff --git a/ROMFS/px4fmu_common/init.d/airframes/50003_aion_robotics_r1_rover b/ROMFS/px4fmu_common/init.d/airframes/50003_aion_robotics_r1_rover
index 2fe66d9876..79c2dfdfd8 100644
--- a/ROMFS/px4fmu_common/init.d/airframes/50003_aion_robotics_r1_rover
+++ b/ROMFS/px4fmu_common/init.d/airframes/50003_aion_robotics_r1_rover
@@ -48,6 +48,9 @@ param set-default GND_SPEED_THR_SC 1
 
 param set-default NAV_ACC_RAD 0.5
 
+# Differential drive acts like ackermann steering with a maximum turn angle of 180 degrees, or pi radians
+param set-default GND_MAX_ANG 3.1415
+
 # Set geometry & output configration
 param set-default CA_AIRFRAME 6
 param set-default CA_R_REV 3