diff --git a/ArduPlane/Attitude.cpp b/ArduPlane/Attitude.cpp
index 29a21725f5..e7ec3192b2 100644
--- a/ArduPlane/Attitude.cpp
+++ b/ArduPlane/Attitude.cpp
@@ -696,7 +696,7 @@ void Plane::update_load_factor(void)
     }
        
 
-    float max_load_factor = smoothed_airspeed / aparm.airspeed_min;
+    float max_load_factor = smoothed_airspeed / MAX(aparm.airspeed_min, 1);
     if (max_load_factor <= 1) {
         // our airspeed is below the minimum airspeed. Limit roll to
         // 25 degrees