diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/patron-search.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/patron-search.inc
index 80bd155c18..a4f76e8e11 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/includes/patron-search.inc
+++ b/koha-tmpl/intranet-tmpl/prog/en/includes/patron-search.inc
@@ -900,11 +900,11 @@
                         [% SWITCH c %]
                         [% CASE 'branch' %]
                             let library_id = patron_search_form.find(".branchcode_filter").val() || "";
-                            patrons_table.find('thead tr:eq(1) th[data-filter="libraries"] select').val(library_id);
+                            patrons_table.find('thead tr:eq(1) th[data-filter="libraries"] select').val('^' + library_id + '$');
                             table_dt.column([% loop.count - 1 %]).search(library_id ? '^'+library_id+'$' : '');
                         [% CASE 'category' %]
                             let category_id = patron_search_form.find(".categorycode_filter").val() || "";
-                            patrons_table.find('thead tr:eq(1) th[data-filter="categories"] select').val(category_id.toLowerCase());
+                            patrons_table.find('thead tr:eq(1) th[data-filter="categories"] select').val('^' + category_id.toLowerCase() + '$');
                             table_dt.column([% loop.count - 1 %]).search(category_id ? '^'+category_id+'$' : '');
                         [% END %]
                     [% END %]