diff --git a/extension/src/background.ts b/extension/src/background.ts
index ac525b4..14a1edb 100644
--- a/extension/src/background.ts
+++ b/extension/src/background.ts
@@ -658,7 +658,7 @@ const icons = {
     },
     title: 'Click to attach debugger',
     badgeText: '',
-    badgeColor: undefined,
+    badgeColor: '#333333',
   },
   error: {
     path: {