diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/catalogue/itemsearch.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/catalogue/itemsearch.tt
index 5dcb4ed3d9..518760f645 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/catalogue/itemsearch.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/catalogue/itemsearch.tt
@@ -497,7 +497,7 @@
                 fixedHeader: false // There is a bug on this view
             })).columnFilter({
                 'sPlaceHolder': 'head:after',
-                'aoColumns': [
+                "aoColumns": [
                     null,
                     { 'type': 'text' },
                     { 'type': 'text' },