1 files changed, 2 insertions, 1 deletions
diff --git a/src/autoslope.h b/src/autoslope.h
index c67276d09..ba1c07551 100644
--- a/src/autoslope.h
+++ b/src/autoslope.h
@@ -12,10 +12,11 @@
 #ifndef AUTOSLOPE_H
 #define AUTOSLOPE_H
 
-#include "settings_type.h"
 #include "company_func.h"
 #include "depot_func.h"
 #include "slope_func.h"
+#include "tile_map.h"
+#include "openttd.h"
 
 /**
  * Autoslope check for tiles with an entrance on an edge.