diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/smart-rules.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/smart-rules.tt
index 2fb25d2909..720f0a08a3 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/smart-rules.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/smart-rules.tt
@@ -154,7 +154,13 @@
                             </td>
                             <td>[% rule.issuelength | html %]</td>
                             <td>
-                                [% rule.lengthunit | html %]
+                                [% IF ( rule.lengthunit == 'days' ) %]
+                                    Days
+                                [% ELSIF ( rule.lengthunit == 'hours') %]
+                                    Hours
+                                [% ELSE %]
+                                    Undefined
+                                [% END %]
                             </td>
                             <td>
                               [% IF ( rule.hardduedate ) %]