diff --git a/src/Main/options.cxx b/src/Main/options.cxx
index 4acc1af..fe55ed0 100644
--- a/src/Main/options.cxx
+++ b/src/Main/options.cxx
@@ -2922,16 +2922,15 @@ OptionResult Options::processOptions()
   //zhongjin Addon
   const auto& addonManager = addons::AddonManager::instance();
 
-/*
+
   SGPath addonPath = globals->get_fg_root();
-  addonPath.append("Addon/RedGriffinATC");
+  addonPath.append("Addon/fgcom-mumble");
   try {
       addonManager->registerAddon(addonPath);
   } catch (const sg_exception &e) {
       string msg = "Error registering an add-on: " + e.getFormattedMessage();
       SG_LOG(SG_GENERAL, SG_ALERT, msg);
   }
-*/
 
   SGPath addonPath = globals->get_fg_root();
   addonPath.append("Addon/addon-littlenavmap");