diff --git a/src/Environment/environment_mgr.cxx b/src/Environment/environment_mgr.cxx
index af77de9..6a6bd80 100644
--- a/src/Environment/environment_mgr.cxx
+++ b/src/Environment/environment_mgr.cxx
@@ -428,8 +428,8 @@ void FGEnvironmentMgr::updateClosestAirport()
         
         //zhongjin
         my_mes = "前方接近塔台 " + nearestIdent;
-        fgSetString("/sim/sound/voices/text", mes);
-        fgSetString("/sim/messages/copilot",mes);
+        fgSetString("/sim/sound/voices/text", my_mes);
+        fgSetString("/sim/messages/copilot",my_mes);
 
     }
     if (automaticTowerActive) {