diff --git a/src/Network/fgcom.cxx b/src/Network/fgcom.cxx
index cadc401..ea90719 100644
--- a/src/Network/fgcom.cxx
+++ b/src/Network/fgcom.cxx
@@ -641,6 +641,8 @@ void FGCom::valueChanged(SGPropertyNode *prop)
           // ensure that we are on the right channel by calling setupCommFrequency  
           //fgSetString("/sim/screen/red","PTT按下，请讲...");
 
+          SGPropertyNode_ptr args(new SGPropertyNode);
+          args->setStringValue("id", "ptt-press");
 
           if (fgGetBool("/sim/view-name-popup")) {
             args->setStringValue("label", "PTT按下，请讲...");