diff --git a/prototypes/ptth_quic_client_gui/src/main.rs b/prototypes/ptth_quic_client_gui/src/main.rs
index 438184d..cc9ad6f 100644
--- a/prototypes/ptth_quic_client_gui/src/main.rs
+++ b/prototypes/ptth_quic_client_gui/src/main.rs
@@ -59,8 +59,7 @@ impl GuiClient <'_> {
 		));
 		
 		self.gui_ports [port_idx].set_forwarding (true);
-		
-		self.frame_status.set_label ("Forwarding 1 port");
+		self.sync_status ();
 		
 		Ok (())
 	}
@@ -71,10 +70,22 @@ impl GuiClient <'_> {
 		}
 		
 		self.gui_ports [port_idx].set_forwarding (false);
-		self.frame_status.set_label ("Forwarding 0 ports");
+		self.sync_status ();
 		
 		Ok (())
 	}
+	
+	fn open_ports (&self) -> usize {
+		self.forwarding_instances.iter ()
+		.map (|x| if x.is_some () { 1 } else { 0 })
+		.sum ()
+	}
+	
+	fn sync_status (&mut self) {
+		let open_ports = self.open_ports ();
+		
+		self.frame_status.set_label (&format! ("Forwarding {} ports", open_ports));
+	}
 }
 
 fn main () -> anyhow::Result <()> {