1 files changed, 1 insertions, 1 deletions
diff --git a/src/aircraft.h b/src/aircraft.h
index 491a1a09f..a35159b70 100644
--- a/src/aircraft.h
+++ b/src/aircraft.h
@@ -31,7 +31,7 @@ void GetAircraftSpriteSize(EngineID engine, uint &width, uint &height);
 void UpdateAirplanesOnNewStation(const Station *st);
 void UpdateAircraftCache(Aircraft *v);
 
-void AircraftLeaveHangar(Aircraft *v);
+void AircraftLeaveHangar(Aircraft *v, Direction exit_dir);
 void AircraftNextAirportPos_and_Order(Aircraft *v);
 void SetAircraftPosition(Aircraft *v, int x, int y, int z);
 byte GetAircraftFlyingAltitude(const Aircraft *v);