diff --git a/plugins/feature/gs232controller/gs232controller.cpp b/plugins/feature/gs232controller/gs232controller.cpp
index 86766a185..5e2a878d5 100644
--- a/plugins/feature/gs232controller/gs232controller.cpp
+++ b/plugins/feature/gs232controller/gs232controller.cpp
@@ -44,6 +44,7 @@ MESSAGE_CLASS_DEFINITION(GS232Controller::MsgConfigureGS232Controller, Message)
 MESSAGE_CLASS_DEFINITION(GS232Controller::MsgStartStop, Message)
 MESSAGE_CLASS_DEFINITION(GS232Controller::MsgReportWorker, Message)
 MESSAGE_CLASS_DEFINITION(GS232Controller::MsgReportAvailableChannelOrFeatures, Message)
+MESSAGE_CLASS_DEFINITION(GS232Controller::MsgScanAvailableChannelOrFeatures, Message)
 
 const char* const GS232Controller::m_featureIdURI = "sdrangel.feature.gs232controller";
 const char* const GS232Controller::m_featureId = "GS232Controller";
@@ -197,6 +198,11 @@ bool GS232Controller::handleMessage(const Message& cmd)
         }
         return true;
     }
+    else if (MsgScanAvailableChannelOrFeatures::match(cmd))
+    {
+        scanAvailableChannelsAndFeatures();
+        return true;
+    }
     else if (GS232ControllerReport::MsgReportAzAl::match(cmd))
     {
         GS232ControllerReport::MsgReportAzAl& report = (GS232ControllerReport::MsgReportAzAl&) cmd;
diff --git a/plugins/feature/gs232controller/gs232controller.h b/plugins/feature/gs232controller/gs232controller.h
index 47f900eaf..59e6137f4 100644
--- a/plugins/feature/gs232controller/gs232controller.h
+++ b/plugins/feature/gs232controller/gs232controller.h
@@ -119,6 +119,22 @@ public:
         {}
     };
 
+    class MsgScanAvailableChannelOrFeatures : public Message {
+        MESSAGE_CLASS_DECLARATION
+
+    public:
+
+        static MsgScanAvailableChannelOrFeatures* create() {
+            return new MsgScanAvailableChannelOrFeatures();
+        }
+
+    protected:
+
+        MsgScanAvailableChannelOrFeatures() :
+            Message()
+        { }
+    };
+
     GS232Controller(WebAPIAdapterInterface *webAPIAdapterInterface);
     virtual ~GS232Controller();
     virtual void destroy() { delete this; }
diff --git a/plugins/feature/gs232controller/gs232controllergui.cpp b/plugins/feature/gs232controller/gs232controllergui.cpp
index d9adff147..e9daeebdc 100644
--- a/plugins/feature/gs232controller/gs232controllergui.cpp
+++ b/plugins/feature/gs232controller/gs232controllergui.cpp
@@ -178,6 +178,9 @@ GS232ControllerGUI::GS232ControllerGUI(PluginAPI* pluginAPI, FeatureUISet *featu
     displaySettings();
     applySettings(true);
     makeUIConnections();
+
+    // Get pre-existing pipes
+    m_gs232Controller->getInputMessageQueue()->push(GS232Controller::MsgScanAvailableChannelOrFeatures::create());
 }
 
 GS232ControllerGUI::~GS232ControllerGUI()