diff --git a/ArduPlane/quadplane.cpp b/ArduPlane/quadplane.cpp
index 2a6a1d5201..21a9c3c5cd 100644
--- a/ArduPlane/quadplane.cpp
+++ b/ArduPlane/quadplane.cpp
@@ -3145,7 +3145,7 @@ float QuadPlane::forward_throttle_pct()
 
     // inhibit reverse throttle and allow petrol engines with min > 0
     int8_t fwd_throttle_min = plane.have_reverse_thrust() ? 0 : plane.aparm.throttle_min;
-    vel_forward.integrator = constrain_float(vel_forward.integrator, fwd_throttle_min, plane.aparm.throttle_max);
+    vel_forward.integrator = constrain_float(vel_forward.integrator, fwd_throttle_min, plane.aparm.throttle_cruise);
 
     if (in_vtol_land_approach()) {
         // when we are doing horizontal positioning in a VTOL land