diff --git a/classes/Pref_Filters.php b/classes/Pref_Filters.php
index e30a1468c..d5844b902 100644
--- a/classes/Pref_Filters.php
+++ b/classes/Pref_Filters.php
@@ -171,6 +171,7 @@ class Pref_Filters extends Handler_Protected {
 				$content_preview = "";
 
 				$matches = [];
+				$rules = [];
 
 				$entry_title = $entry["title"];
 
@@ -184,6 +185,11 @@ class Pref_Filters extends Handler_Protected {
 
 					$matches[] = $rule_regexp_match;
 
+					$rules[] = [
+						'reg_exp' => $rule['reg_exp'],
+						'type' => $rule['type']
+					];
+
 					if (in_array($rule['type'], ['content', 'both'])) {
 						// also stripping [\r\n\t] to match what's done for content in RSSUtils#get_article_filters()
 						$entry_content_text = strip_tags(preg_replace("/[\r\n\t]/", "", $entry["content"]));
@@ -232,7 +238,7 @@ class Pref_Filters extends Handler_Protected {
 					'feed_title' => $entry['feed_title'],
 					'date' => mb_substr($entry['date_entered'], 0, 16),
 					'content_preview' => $content_preview,
-					'matched_rules' => $matched_rules, // TODO shorten object passed to frontend
+					'rules' => $rules
 				];
 			}
 		}
diff --git a/js/CommonFilters.js b/js/CommonFilters.js
index f1f0e9e0c..ce871a2af 100644
--- a/js/CommonFilters.js
+++ b/js/CommonFilters.js
@@ -20,7 +20,7 @@ const	Filters = {
 			PARAM_ACTIONS: [4, 6, 7, 9, 10],
 			filter_info: {},
 			formatMatchedRules: function(rules) {
-				return rules.map((r) => r.regexp_matches[0] + ' - ' + r.reg_exp + ' (' + r.type + ')').join('\n');
+				return rules.map((r) => r.reg_exp + ' (' + r.type + ')').join('\n');
 			},
 			test: function() {
 				const test_dialog = new fox.SingleUseDialog({
@@ -46,7 +46,7 @@ const	Filters = {
 												.replace("%f", test_dialog.results)
 												.replace("%d", offset);
 
-										results_list.innerHTML += result.items.reduce((current, item) => current + `<li title="${App.escapeHtml(dialog.formatMatchedRules(item.matched_rules))}"><span class='title'>${item.title}</span>
+										results_list.innerHTML += result.items.reduce((current, item) => current + `<li title="${App.escapeHtml(dialog.formatMatchedRules(item.rules))}"><span class='title'>${item.title}</span>
 												&mdash; <span class='feed'>${item.feed_title}</span>, <span class='date'>${item.date}</span>
 												<div class='preview text-muted'>${item.content_preview}</div></li>`, '');