diff --git a/backup/main.pas b/backup/main.pas
index 9424e78..13a3d81 100644
--- a/backup/main.pas
+++ b/backup/main.pas
@@ -3174,8 +3174,8 @@ end;
 procedure TGUIForm.FSTimerTimer(Sender: TObject);
 begin
   isFS := (GetConfig( 'video/current.fullscreen' ) = '1');
-
-  SimpleGet(baseUrl+'/api/control/system/heartbeat');
+  if not hidden then
+     SimpleGet(baseUrl+'/api/control/system/heartbeat');
 end;
 
 procedure TGUIForm.InputClick(Sender: TObject);
diff --git a/lib/x86_64-win64/main.o b/lib/x86_64-win64/main.o
index fd92f7e..7ef337c 100644
Binary files a/lib/x86_64-win64/main.o and b/lib/x86_64-win64/main.o differ
diff --git a/lib/x86_64-win64/main.ppu b/lib/x86_64-win64/main.ppu
index 11ab0ea..a5954ab 100644
Binary files a/lib/x86_64-win64/main.ppu and b/lib/x86_64-win64/main.ppu differ
diff --git a/lib/x86_64-win64/poc.obj b/lib/x86_64-win64/poc.obj
index 917fb9b..72a9af0 100644
Binary files a/lib/x86_64-win64/poc.obj and b/lib/x86_64-win64/poc.obj differ
diff --git a/main.pas b/main.pas
index 13a3d81..281435d 100644
--- a/main.pas
+++ b/main.pas
@@ -3175,7 +3175,12 @@ procedure TGUIForm.FSTimerTimer(Sender: TObject);
 begin
   isFS := (GetConfig( 'video/current.fullscreen' ) = '1');
   if not hidden then
+  begin
+     Caption := 'microM8 GUI';
      SimpleGet(baseUrl+'/api/control/system/heartbeat');
+  end
+  else
+     Caption := 'microM8 GUI (hide)';
 end;
 
 procedure TGUIForm.InputClick(Sender: TObject);