diff --git a/src/ship_cmd.cpp b/src/ship_cmd.cpp
--- a/src/ship_cmd.cpp
+++ b/src/ship_cmd.cpp
@@ -13,7 +13,7 @@
 #include "station_map.h"
 #include "station_base.h"
 #include "news_func.h"
-#include "engine.h"
+#include "engine_func.h"
 #include "player_func.h"
 #include "player_base.h"
 #include "npf.h"