diff --git a/app/views/notices/_user_attributes.html.haml b/app/views/notices/_user_attributes.html.haml
index 7cf8ee4..8303994 100644
--- a/app/views/notices/_user_attributes.html.haml
+++ b/app/views/notices/_user_attributes.html.haml
@@ -6,4 +6,4 @@
     - user.each do |user_key, user_value|
       %tr
         %th= user_key
-        %td= auto_link(user_value).html_safe
+        %td= auto_link(user_value.to_s).html_safe
--
libgit2 0.21.2