diff --git a/app/Models/Entry.php b/app/Models/Entry.php
index 441730af2..adb208276 100644
--- a/app/Models/Entry.php
+++ b/app/Models/Entry.php
@@ -817,7 +817,7 @@ HTML;
 		if (!empty($feed->attributeArray('path_entries_condition'))) {
 			$found = false;
 			foreach ($feed->attributeArray('path_entries_condition') as $condition) {
-				if (trim($condition) === '') {
+				if (!is_string($condition) || trim($condition) === '') {
 					continue;
 				}
 				$booleanSearch = new FreshRSS_BooleanSearch($condition);
diff --git a/app/views/helpers/feed/update.phtml b/app/views/helpers/feed/update.phtml
index f58d46d0f..c73987e50 100644
--- a/app/views/helpers/feed/update.phtml
+++ b/app/views/helpers/feed/update.phtml
@@ -667,7 +667,9 @@
 					<textarea class="w100" id="path_entries_condition" name="path_entries_condition"
 						rows="3" cols="64" spellcheck="false" placeholder="<?= _t('gen.short.blank_to_disable') ?>"><?php
 						foreach ($this->feed->attributeArray('path_entries_condition') ?? [] as $condition) {
-							echo htmlspecialchars($condition, ENT_NOQUOTES, 'UTF-8'), PHP_EOL;
+							if (is_string($condition)) {
+								echo htmlspecialchars($condition, ENT_NOQUOTES, 'UTF-8'), PHP_EOL;
+							}
 						}
 					?></textarea>
 					<p class="help"><?= _i('help') ?> <?= _t('sub.feed.filteractions.help') ?></p>