diff --git a/lib/shared/messages/unsupported-message-spec.js b/lib/shared/messages/unsupported-message-spec.js
--- a/lib/shared/messages/unsupported-message-spec.js
+++ b/lib/shared/messages/unsupported-message-spec.js
@@ -11,6 +11,7 @@
   UnsupportedMessageInfo,
 } from '../../types/messages/unsupported';
 import type { RelativeUserInfo } from '../../types/user-types';
+import { ET, type EntityText } from '../../utils/entity-text';
 import {
   robotextToRawString,
   robotextForMessageInfo,
@@ -87,11 +88,12 @@
     );
   },
 
-  robotext(messageInfo: UnsupportedMessageInfo, creator: string): string {
+  robotext(messageInfo: UnsupportedMessageInfo): EntityText {
     if (messageInfo.dontPrefixCreator) {
-      return messageInfo.robotext;
+      return ET`${messageInfo.robotext}`;
     }
-    return `${creator} ${messageInfo.robotext}`;
+    const creator = ET.user({ userInfo: messageInfo.creator });
+    return ET`${creator} ${messageInfo.robotext}`;
   },
 
   generatesNotifs: async () => pushTypes.NOTIF,