diff --git a/classes/pref/filters.php b/classes/pref/filters.php
index a3a0ce77f..681f197cd 100755
--- a/classes/pref/filters.php
+++ b/classes/pref/filters.php
@@ -3,7 +3,7 @@ class Pref_Filters extends Handler_Protected {
 
 	function csrf_ignore($method) {
 		$csrf_ignored = array("index", "getfiltertree", "edit", "newfilter", "newrule",
-			"newaction", "savefilterorder");
+			"newaction", "savefilterorder", "testfilterdlg");
 
 		return array_search($method, $csrf_ignored) !== false;
 	}
@@ -159,22 +159,19 @@ class Pref_Filters extends Handler_Protected {
 		print json_encode($rv);
 	}
 
-	function testFilter() {
+	function testFilterDlg() {
+		?>
+			<div>
+				<img id='prefFilterLoadingIndicator' src='images/indicator_tiny.gif'>&nbsp;
+				<span id='prefFilterProgressMsg'>Looking for articles...</span>
+			</div>
 
-		if (isset($_REQUEST["offset"])) return $this->testFilterDo();
-
-		//print __("Articles matching this filter:");
-
-		print "<div><img id='prefFilterLoadingIndicator' src='images/indicator_tiny.gif'>&nbsp;<span id='prefFilterProgressMsg'>Looking for articles...</span></div>";
-
-		print "<ul class='panel panel-scrollable list list-unstyled' id='prefFilterTestResultList'>";
-		print "</ul>";
-
-		print "<footer class='text-center'>";
-		print "<button dojoType='dijit.form.Button' onclick=\"dijit.byId('filterTestDlg').hide()\">".
-			__('Close this window')."</button>";
-		print "</footer>";
+			<ul class='panel panel-scrollable list list-unstyled' id='prefFilterTestResultList'></ul>
 
+			<footer class='text-center'>
+				<button dojoType='dijit.form.Button' onclick="dijit.byId('filterTestDlg').hide()"><?php echo __('Close this window') ?></button>
+			</footer>
+		<?php
 	}
 
 	private function getfilterrules_list($filter_id) {
@@ -600,10 +597,6 @@ class Pref_Filters extends Handler_Protected {
 	}
 
 	function editSave() {
-		if (clean($_REQUEST["savemode"] && $_REQUEST["savemode"]) == "test") {
-			return $this->testFilter();
-		}
-
 		$filter_id = clean($_REQUEST["id"]);
 		$enabled = checkbox_to_sql_bool(clean($_REQUEST["enabled"]));
 		$match_any_rule = checkbox_to_sql_bool(clean($_REQUEST["match_any_rule"]));
@@ -714,10 +707,6 @@ class Pref_Filters extends Handler_Protected {
 	}
 
 	function add() {
-		if (clean($_REQUEST["savemode"] && $_REQUEST["savemode"]) == "test") {
-			return $this->testFilter();
-		}
-
 		$enabled = checkbox_to_sql_bool(clean($_REQUEST["enabled"]));
 		$match_any_rule = checkbox_to_sql_bool(clean($_REQUEST["match_any_rule"]));
 		$title = clean($_REQUEST["title"]);
diff --git a/js/CommonDialogs.js b/js/CommonDialogs.js
index c6d476de0..6e88e93a5 100644
--- a/js/CommonDialogs.js
+++ b/js/CommonDialogs.js
@@ -409,7 +409,7 @@ define(["dojo/_base/declare"], function (declare) {
 
 			return false;
 		},
-		editFeed: function (feed) {
+		editFeeed: function (feed) {
 			if (feed <= 0)
 				return alert(__("You can't edit this kind of feed."));
 
diff --git a/js/CommonFilters.js b/js/CommonFilters.js
index 1538a3fb3..01ffc4a5e 100644
--- a/js/CommonFilters.js
+++ b/js/CommonFilters.js
@@ -183,7 +183,7 @@ define(["dojo/_base/declare"], function (declare) {
 
 			rule_dlg.show();
 		},
-		editFilterTest: function(query) {
+		editFilterTest: function(params) {
 
 			if (dijit.byId("filterTestDlg"))
 				dijit.byId("filterTestDlg").destroyRecursive();
@@ -195,12 +195,14 @@ define(["dojo/_base/declare"], function (declare) {
 				results: 0,
 				limit: 100,
 				max_offset: 10000,
-				getTestResults: function (query, offset) {
-					const updquery = query + "&offset=" + offset + "&limit=" + test_dlg.limit;
+				getTestResults: function (params, offset) {
+					params.method = 'testFilterDo';
+					params.offset = offset;
+					params.limit = test_dlg.limit;
 
 					console.log("getTestResults:" + offset);
 
-					xhrPost("backend.php", updquery, (transport) => {
+					xhrPost("backend.php", params, (transport) => {
 						try {
 							const result = JSON.parse(transport.responseText);
 
@@ -216,9 +218,7 @@ define(["dojo/_base/declare"], function (declare) {
 								console.log(offset + " " + test_dlg.max_offset);
 
 								for (let i = 0; i < result.length; i++) {
-									const tmp = new Element("table");
-									tmp.innerHTML = result[i];
-									dojo.parser.parse(tmp);
+									const tmp = dojo.create("table", { innerHTML: result[i]});
 
 									$("prefFilterTestResultList").innerHTML += tmp.innerHTML;
 								}
@@ -262,11 +262,11 @@ define(["dojo/_base/declare"], function (declare) {
 
 					});
 				},
-				href: query
+				href: "backend.php?op=pref-filters&method=testFilterDlg"
 			});
 
 			dojo.connect(test_dlg, "onLoad", null, function (e) {
-				test_dlg.getTestResults(query, 0);
+				test_dlg.getTestResults(params, 0);
 			});
 
 			test_dlg.show();
@@ -296,9 +296,7 @@ define(["dojo/_base/declare"], function (declare) {
 				title: __("Create Filter"),
 				style: "width: 600px",
 				test: function () {
-					const query = "backend.php?" + dojo.formToQuery("filter_new_form") + "&savemode=test";
-
-					Filters.editFilterTest(query);
+					Filters.editFilterTest(dojo.formToObject("filter_new_form"));
 				},
 				selectRules: function (select) {
 					Lists.select("filterDlg_Matches", select);
diff --git a/js/PrefFilterTree.js b/js/PrefFilterTree.js
index a7c7464fb..5fe0714c0 100644
--- a/js/PrefFilterTree.js
+++ b/js/PrefFilterTree.js
@@ -149,9 +149,7 @@ define(["dojo/_base/declare", "dojo/dom-construct", "lib/CheckBoxTree"], functio
 				style: "width: 600px",
 
 				test: function () {
-					const query = "backend.php?" + dojo.formToQuery("filter_edit_form") + "&savemode=test";
-
-					Filters.editFilterTest(query);
+					Filters.editFilterTest(dojo.formToObject("filter_edit_form"));
 				},
 				selectRules: function (select) {
 					Lists.select("filterDlg_Matches", select);