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
@@ -35,7 +35,7 @@
 
 	const SettingDesc *sd = GetSettingFromName(setting);
 
-	if ((sd->save.conv & SLF_NO_NETWORK_SYNC) != 0) return false;
+	if ((sd->flags & SF_NO_NETWORK_SYNC) != 0) return false;
 
 	return ScriptObject::DoCommand(0, 0, value, CMD_CHANGE_SETTING, sd->name);
 }