diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/patron-attr-types.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/patron-attr-types.tt
index 31c43cd5a2..68f862c472 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/patron-attr-types.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/patron-attr-types.tt
@@ -303,7 +303,7 @@ function CheckAttributeTypeForm(f) {
             <td>[% item.code |html %]</td>
             <td>[% item.description %]</td>
             <td>
-                [% IF item.branches.size > 0 %]
+                [% IF ( item.branches.size && item.branches.size > 0 ) %]
                     [% branches_str = "" %]
                     [% FOREACH branch IN item.branches %]
                         [% branches_str = branches_str _ " " _ branch.branchname _ "(" _ branch.branchcode _ ")" %]