diff --git a/bika/lims/browser/js/bika.lims.analysisrequest.js b/bika/lims/browser/js/bika.lims.analysisrequest.js
index c189565795..c70d1ae4d7 100644
--- a/bika/lims/browser/js/bika.lims.analysisrequest.js
+++ b/bika/lims/browser/js/bika.lims.analysisrequest.js
@@ -142,7 +142,17 @@ function AnalysisRequestViewView() {
                         base_query["getClientUID"] = [data['ClientUID'], setup_uid];
                         $(spelement).attr("base_query", $.toJSON(base_query));
                         var options = $.parseJSON($(spelement).attr("combogrid_options"));
-                        options.url = window.location.href.split("/ar")[0] + "/" + options.url;
+                        // Getting the url like that will return the query
+                        // part of it:
+                        // http://localhost:8080/Plone/clients/client17-14/..
+                        //    ..OA17-0030-R01?check_edit=1
+                        // In order to create a correct ajax call
+                        // we only need until the pathname of that url:
+                        // http://localhost:8080/Plone/clients/client17-14/..
+                        //    ..OA17-0030-R01
+                        var simple_url = window.location.href.split("/ar")[0];
+                        simple_url = simple_url.split('?')[0];
+                        options.url = simple_url + "/" + options.url;
                         options.url = options.url + "?_authenticator=" + $("input[name='_authenticator']").val();
                         options.url = options.url + "&catalog_name=" + $(spelement).attr("catalog_name");
                         options.url = options.url + "&base_query=" + $.toJSON(base_query);