diff --git a/src/Main/options.cxx b/src/Main/options.cxx
index 93eb128..78cac74 100644
--- a/src/Main/options.cxx
+++ b/src/Main/options.cxx
@@ -2921,15 +2921,21 @@ OptionResult Options::processOptions()
 
   //zhongjin Addon
   const auto& addonManager = addons::AddonManager::instance();
+
+  SGPath app1=globals->get_fg_root();
+  app1.append("Addon/fgcom-mumble")
   try {
-      addonManager->registerAddon(globals->get_fg_root().append("Addon/fgcom-mumble"));
+      addonManager->registerAddon(app1);
   } catch (const sg_exception &e) {
       string msg = "Error registering an add-on: " + e.getFormattedMessage();
       SG_LOG(SG_GENERAL, SG_ALERT, msg);
   }
 
+  SGPath app2=globals->get_fg_root();
+  app2.append("Addon/addon-littlenavmap")
+
   try {
-      addonManager->registerAddon(globals->get_fg_root().append("Addon/addon-littlenavmap"));
+      addonManager->registerAddon(app2);
   } catch (const sg_exception &e) {
       string msg = "Error registering an add-on: " + e.getFormattedMessage();
       SG_LOG(SG_GENERAL, SG_ALERT, msg);