diff --git a/src/gui/widget/menue.h b/src/gui/widget/menue.h
index 5da3cc3f5..5cfa58da2 100644
--- a/src/gui/widget/menue.h
+++ b/src/gui/widget/menue.h
@@ -88,6 +88,10 @@ class CChangeObserver
 		{
 			return false;
 		}
+		virtual bool changeNotify(const std::string & /*OptionName*/, void * /*Data*/)
+		{
+			return false;
+		}
 		virtual bool changeNotify(lua_State * /*L*/, const std::string & /*luaId*/, const std::string & /*luaAction*/, void * /*Data*/)
 		{
 			return false;