diff --git a/src/autoslope.h b/src/autoslope.h
--- a/src/autoslope.h
+++ b/src/autoslope.h
@@ -6,7 +6,7 @@
 #define AUTOSLOPE_H
 
 #include "settings_type.h"
-#include "player_func.h"
+#include "company_func.h"
 #include "depot_func.h"
 
 /**