diff --git a/src/toolbar_gui.cpp b/src/toolbar_gui.cpp
--- a/src/toolbar_gui.cpp
+++ b/src/toolbar_gui.cpp
@@ -10,7 +10,6 @@
 /** @file toolbar_gui.cpp Code related to the (main) toolbar. */
 
 #include "stdafx.h"
-#include "openttd.h"
 #include "gui.h"
 #include "window_gui.h"
 #include "window_func.h"
@@ -41,6 +40,7 @@
 #include "tilehighlight_func.h"
 #include "rail.h"
 #include "widgets/dropdown_type.h"
+#include "company_base.h"
 
 #include "network/network.h"
 #include "network/network_gui.h"