diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/ill/ill-requests.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/ill/ill-requests.tt
index 88ee777a09..1ba9b93f3a 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/ill/ill-requests.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/ill/ill-requests.tt
@@ -137,9 +137,11 @@
                                         <label for="partners" class="required">Select partner libraries:</label>
                                         <select size="5" multiple="true" id="partners" name="partners" required="required">
                                             [% FOREACH partner IN whole.value.partners %]
-                                                <option value=[% partner.email | html %]>
-                                                    [% partner.branchcode _ " - " _ partner.surname %]
-                                                </option>
+                                                [% IF partner.email && partner.email.length > 0 %]
+                                                    <option value="[% partner.email | html %]">
+                                                        [% partner.branchcode _ " - " _ partner.surname %]
+                                                    </option>
+                                                [% END %]
                                             [% END %]
                                         </select>
 
diff --git a/koha-tmpl/intranet-tmpl/prog/js/ill-list-table.js b/koha-tmpl/intranet-tmpl/prog/js/ill-list-table.js
index 1365174674..877d5f1220 100644
--- a/koha-tmpl/intranet-tmpl/prog/js/ill-list-table.js
+++ b/koha-tmpl/intranet-tmpl/prog/js/ill-list-table.js
@@ -323,20 +323,22 @@ $(document).ready(function() {
     });
 
     // Filter partner list
+    // Record the list of all options
+    var ill_partner_options = $('#partners > option');
     $('#partner_filter').keyup(function() {
         var needle = $('#partner_filter').val();
-        $('#partners > option').each(function() {
-            var regex = new RegExp(needle, 'i');
+        var regex = new RegExp(needle, 'i');
+        var filtered = [];
+        ill_partner_options.each(function() {
             if (
                 needle.length == 0 ||
                 $(this).is(':selected') ||
                 $(this).text().match(regex)
             ) {
-                $(this).show();
-            } else {
-                $(this).hide();
+                filtered.push($(this));
             }
         });
+        $('#partners').empty().append(filtered);
     });
 
     // Display the modal containing request supplier metadata