diff --git a/src/services/builtin_attributes.js b/src/services/builtin_attributes.js
index c4388622a..bfe28bc4a 100644
--- a/src/services/builtin_attributes.js
+++ b/src/services/builtin_attributes.js
@@ -66,6 +66,7 @@ module.exports = [
     { type: 'label', name: 'executeDescription'},
     { type: 'label', name: 'newNotesOnTop'},
     { type: 'label', name: 'clipperInbox'},
+    { type: 'label', name: 'webViewSrc', isDangerous: true },
 
     // relation names
     { type: 'relation', name: 'internalLink' },