diff --git a/src/script/api/script_gamesettings.cpp b/src/script/api/script_gamesettings.cpp
--- a/src/script/api/script_gamesettings.cpp
+++ b/src/script/api/script_gamesettings.cpp
@@ -12,6 +12,7 @@
 #include "../../stdafx.h"
 #include "script_gamesettings.hpp"
 #include "../../settings_internal.h"
+#include "../../settings_type.h"
 #include "../../command_type.h"
 
 /* static */ bool ScriptGameSettings::IsValid(const char *setting)