diff --git a/src/device.c b/src/device.c
index df1b0f7..34dc571 100644
--- a/src/device.c
+++ b/src/device.c
@@ -602,6 +602,7 @@ static void dev_open_cb(FpDevice *dev, GAsyncResult *res, void *user_data)
 		                          FPRINT_ERROR_INTERNAL,
 		                          "Open failed with error: %s", error->message);
 		dbus_g_method_return_error(session->context_claim_device, dbus_error);
+		g_clear_pointer(&priv->username, g_free);
 		g_clear_pointer(&priv->session, g_free);
 		return;
 	}