3 files changed, 3 insertions, 1 deletions
diff --git a/src/widgets/dropdown.cpp b/src/widgets/dropdown.cpp
index 72bc30856..1056ebced 100644
--- a/src/widgets/dropdown.cpp
+++ b/src/widgets/dropdown.cpp
@@ -12,7 +12,6 @@
 #include "../stdafx.h"
 #include "../window_gui.h"
 #include "../strings_func.h"
-#include "../gfx_func.h"
 #include "../window_func.h"
 #include "dropdown_type.h"
 
diff --git a/src/widgets/dropdown_func.h b/src/widgets/dropdown_func.h
index 98971975e..4c7e13456 100644
--- a/src/widgets/dropdown_func.h
+++ b/src/widgets/dropdown_func.h
@@ -12,6 +12,8 @@
 #ifndef WIDGETS_DROPDOWN_FUNC_H
 #define WIDGETS_DROPDOWN_FUNC_H
 
+#include "../window_gui.h"
+
 /* Show drop down menu containing a fixed list of strings */
 void ShowDropDownMenu(Window *w, const StringID *strings, int selected, int button, uint32 disabled_mask, uint32 hidden_mask, uint width = 0);
 
diff --git a/src/widgets/dropdown_type.h b/src/widgets/dropdown_type.h
index 5e71012dc..5431263b0 100644
--- a/src/widgets/dropdown_type.h
+++ b/src/widgets/dropdown_type.h
@@ -13,6 +13,7 @@
 #define WIDGETS_DROPDOWN_TYPE_H
 
 #include "../window_type.h"
+#include "../gfx_func.h"
 #include <list>
 
 /**