diff --git a/Tools/autotest/default_params/quadplane.parm b/Tools/autotest/default_params/quadplane.parm
index 6c7693bd49..c56c180337 100644
--- a/Tools/autotest/default_params/quadplane.parm
+++ b/Tools/autotest/default_params/quadplane.parm
@@ -75,3 +75,4 @@ Q_M_BAT_VOLT_MAX 12.8
 Q_M_BAT_VOLT_MIN 9.6
 Q_A_RAT_RLL_D 0.002
 Q_A_RAT_PIT_D 0.002
+ALT_HOLD_RTL 2000