diff --git a/src/saveload.cpp b/src/saveload.cpp
--- a/src/saveload.cpp
+++ b/src/saveload.cpp
@@ -27,6 +27,7 @@
 #include "variables.h"
 #include "table/strings.h"
 #include "strings.h"
+#include "window_func.h"
 #include <list>
 
 extern const uint16 SAVEGAME_VERSION = 83;