diff --git a/package.nw/gt_chat.html b/package.nw/gt_chat.html
index 3cb93b4..a76f692 100644
--- a/package.nw/gt_chat.html
+++ b/package.nw/gt_chat.html
@@ -205,6 +205,12 @@
function makeCallsignRow(callObj, show)
{
var obj = document.getElementById(callObj.cid);
+ if (obj && obj.fCall != callObj.fCall)
+ {
+ // callsign changed
+ allCallDiv.removeChild(obj);
+ obj = null;
+ }
if (!obj)
{
var low = 0;