diff --git a/UDPExamples/ClientWidget.cpp b/UDPExamples/ClientWidget.cpp
index eea15576c..7d44c85ee 100644
--- a/UDPExamples/ClientWidget.cpp
+++ b/UDPExamples/ClientWidget.cpp
@@ -7,7 +7,7 @@ namespace
 {
   //QRegExp message_alphabet {"[- A-Za-z0-9+./?]*"};
   QRegExp message_alphabet {"[- @A-Za-z0-9+./?#<>]*"};
-  QRegularExpression cq_re {"[^A-Z0-9]*(CQ|QRZ)[^A-Z0-9]*"};
+  QRegularExpression cq_re {"(CQ|CQDX|QRZ)[^A-Z0-9/]+"};
 
   void update_dynamic_property (QWidget * widget, char const * property, QVariant const& value)
   {
diff --git a/decodedtext.cpp b/decodedtext.cpp
index 580d8ac2b..b54080971 100644
--- a/decodedtext.cpp
+++ b/decodedtext.cpp
@@ -12,6 +12,10 @@ QString DecodedText::CQersCall()
     {
       s1 = 7 + position;
     }
+  else if ((position = _string.indexOf (" CQDX ")) >= 0)
+    {
+      s1 = 6 + position;
+    }
   else if ((position = _string.indexOf (" CQ ")) >= 0)
     {
       s1 = 4 + position;
diff --git a/displaytext.cpp b/displaytext.cpp
index b4607cd50..b8f8c08aa 100644
--- a/displaytext.cpp
+++ b/displaytext.cpp
@@ -147,7 +147,9 @@ void DisplayText::displayDecodedText(DecodedText decodedText, QString myCall,
 {
     QString bg="white";
     bool CQcall = false;
-    if (decodedText.string ().contains (" CQ ") > 0 || decodedText.string ().contains (" CQ DX "))
+    if (decodedText.string ().contains (" CQ ")
+        || decodedText.string ().contains (" CQDX ")
+        || decodedText.string ().contains (" QRZ "))
     {
         CQcall = true;
         bg=color_CQ.name();
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 7cfe22f08..d4a10ed78 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -5044,7 +5044,9 @@ void MainWindow::replyToCQ (QTime time, qint32 snr, float delta_time, quint32 de
 
   auto decode_parts = message_text.split (' ', QString::SkipEmptyParts);
 
-  if (decode_parts.contains ("CQ") || decode_parts.contains ("QRZ"))
+  if (decode_parts[0] == "CQ"
+      || decode_parts[0] == "CQDX"
+      || decode_parts[0] == "QRZ")
     {
       // a message we are willing to accept
       QString format_string {"%1 %2 %3 %4 %5  %6"};