diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/course_reserves/course-details.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/course_reserves/course-details.tt
index 3e6f8c3a4b..e07cbe538e 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/course_reserves/course-details.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/course_reserves/course-details.tt
@@ -18,8 +18,8 @@
             ]
         }));
 
-        $("a.delete_item").click(function(){
-            return confirm( _("Are you sure you want to remove this item from the course?"));
+        $(".delete_item").click(function(){
+            return confirmDelete(_("Are you sure you want to remove this item from the course?"));
         });
 
         $("#delete_course").click(function(){
@@ -207,11 +207,11 @@
 
                                     [% IF CAN_user_coursereserves_delete_reserves %]
                                         [% IF cr.item.onloan %]
-                                            <a class="btn btn-default btn-xs disabled checkedout" href="#" class="delete_item" data-toggle="tooltip" data-placement="left" title="This item is checked out">
+                                            <a class="btn btn-default btn-xs disabled checkedout delete_item" href="#" data-toggle="tooltip" data-placement="left" title="This item is checked out">
                                         [% ELSIF cr.item.itemlost %]
-                                            <a class="btn btn-default btn-xs disabled itemlost" href="#" class="delete_item" data-toggle="tooltip" data-placement="left" title="This item is lost">
+                                            <a class="btn btn-default btn-xs disabled itemlost delete_item" href="#" data-toggle="tooltip" data-placement="left" title="This item is lost">
                                         [% ELSE %]
-                                            <a class="btn btn-default btn-xs" href="course-details.pl?course_id=[% course.course_id %]&amp;action=del_reserve&amp;cr_id=[% cr.cr_id %]" class="delete_item" >
+                                            <a class="btn btn-default btn-xs delete_item" href="course-details.pl?course_id=[% course.course_id %]&amp;action=del_reserve&amp;cr_id=[% cr.cr_id %]">
                                         [% END %]
                                         <i class="fa fa-trash"></i> Remove</a>
                                     [% END %]