diff --git a/src/window_gui.h b/src/window_gui.h
--- a/src/window_gui.h
+++ b/src/window_gui.h
@@ -9,7 +9,7 @@
 #include "core/geometry_type.hpp"
 #include "vehicle_type.h"
 #include "viewport_type.h"
-#include "player_type.h"
+#include "company_type.h"
 #include "strings_type.h"
 #include "core/alloc_type.hpp"
 #include "window_type.h"