diff --git a/aprsd/client/drivers/registry.py b/aprsd/client/drivers/registry.py
index f295952..6e7cb3e 100644
--- a/aprsd/client/drivers/registry.py
+++ b/aprsd/client/drivers/registry.py
@@ -20,6 +20,7 @@ class ClientDriver(Protocol):
     def is_configured(self) -> bool:
         pass
 
+    @property
     def is_alive(self) -> bool:
         pass