diff --git a/src/misc_gui.cpp b/src/misc_gui.cpp
--- a/src/misc_gui.cpp
+++ b/src/misc_gui.cpp
@@ -45,6 +45,7 @@
 #include "rail_gui.h"
 #include "tilehighlight_func.h"
 #include "querystring_gui.h"
+#include "player_base.h"
 
 #include "table/sprites.h"
 #include "table/strings.h"