diff --git a/roles/ipsilon/files/templates/openid/consent_form.html b/roles/ipsilon/files/templates/openid/consent_form.html
index cf29d38bab..fba03778e4 100644
--- a/roles/ipsilon/files/templates/openid/consent_form.html
+++ b/roles/ipsilon/files/templates/openid/consent_form.html
@@ -12,7 +12,7 @@
                     {% for entry in authz_details|dictsort %}
                         <tr>
                             <td>{{ entry[0] }}</td>
-                            {%- if entry[1] | iterable -%}
+                            {%- if entry[1] is iterable and not entry[1] is string -%}
                             <td>{{ entry[1] | join(', ') }}</td>
                             {%- else -%}
                             <td>{{ entry[1] }}</td>