diff --git a/webui/src/web-components/mobile-shell.ts b/webui/src/web-components/mobile-shell.ts
index 1a27c05..dd59ad8 100644
--- a/webui/src/web-components/mobile-shell.ts
+++ b/webui/src/web-components/mobile-shell.ts
@@ -123,7 +123,7 @@
 
   private handleConnectionStatusChanged(
     status: ConnectionStatus,
-    errorMessage?: string,
+    _errorMessage?: string,
   ) {
     this.connectionStatus = status;
   }