1 files changed, 1 insertions, 1 deletions
diff --git a/engine.h b/engine.h
index ddf0abc95..9675ca396 100644
--- a/engine.h
+++ b/engine.h
@@ -137,7 +137,7 @@ void DrawAircraftEngine(int x, int y, EngineID engine, uint32 image_ormod);
 void LoadCustomEngineNames(void);
 void DeleteCustomEngineNames(void);
 
-bool IsEngineBuildable(uint engine, byte type);
+bool IsEngineBuildable(EngineID engine, byte type, PlayerID player);
 
 enum {
 	NUM_NORMAL_RAIL_ENGINES = 54,