diff --git a/src/services/user_profile_link_generator/user_profile_link_generator.js b/src/services/user_profile_link_generator/user_profile_link_generator.js
index a214ca4867abe5232dfe1e9d4d32e551b6e74bcf..16f1531d042764c492266f9fb86c2089a2b59f1d 100644
--- a/src/services/user_profile_link_generator/user_profile_link_generator.js
+++ b/src/services/user_profile_link_generator/user_profile_link_generator.js
@@ -1,7 +1,7 @@
 import { includes } from 'lodash'
 
 const generateProfileLink = (id, screenName, restrictedNicknames) => {
-  const complicated = (isExternal(screenName) || includes(restrictedNicknames, screenName))
+  const complicated = !screenName || (isExternal(screenName) || includes(restrictedNicknames, screenName))
   return {
     name: (complicated ? 'external-user-profile' : 'user-profile'),
     params: (complicated ? { id } : { name: screenName })