diff --git a/src/aircraft_cmd.cpp b/src/aircraft_cmd.cpp
--- a/src/aircraft_cmd.cpp
+++ b/src/aircraft_cmd.cpp
@@ -1421,10 +1421,7 @@ static void HandleAircraftLoading(Vehicl
 			if (mode != 0) return;
 			if (--v->load_unload_time_rem != 0) return;
 
-			if (CanFillVehicle(v)) {
-				LoadUnloadVehicle(v);
-				return;
-			}
+			if (LoadUnloadVehicle(v)) return;
 
 			Order b = v->current_order;
 			v->LeaveStation();