diff --git a/extensions/simple-browser/package.json b/extensions/simple-browser/package.json
index 1cec9b4f2e4..9982f6c7d12 100644
--- a/extensions/simple-browser/package.json
+++ b/extensions/simple-browser/package.json
@@ -18,6 +18,7 @@
   ],
   "activationEvents": [
     "onCommand:simpleBrowser.show",
+    "onCommand:simpleBrowser.api.open",
     "onUriOpen:http",
     "onUriOpen:https"
   ],