diff --git a/classes/components/forms/site/SiteConfigForm.inc.php b/classes/components/forms/site/SiteConfigForm.inc.php
index d1786b44859..d01def59336 100644
--- a/classes/components/forms/site/SiteConfigForm.inc.php
+++ b/classes/components/forms/site/SiteConfigForm.inc.php
@@ -46,7 +46,7 @@ public function __construct($action, $locales, $site) {
 			'value' => $site->getData('title'),
 		]));
 
-		if ($result->valid()) {
+		if (count($result)) {
 			$options = [['value' => '', 'label' => '']];
 			foreach ($result as $context) {
 				$options[] = [
diff --git a/pages/article/ArticleHandler.inc.php b/pages/article/ArticleHandler.inc.php
index 0b958144f7d..2a643dba11b 100644
--- a/pages/article/ArticleHandler.inc.php
+++ b/pages/article/ArticleHandler.inc.php
@@ -67,7 +67,7 @@ function initialize($request, $args = array()) {
 			'publisherIds' => $urlPath,
 		]);
 		$publicationWithMatchingUrl = null;
-		if ($result->valid()) {
+		if (count($result)) {
 			$publicationWithMatchingUrl = $result->current();
 			$submissionId = $publicationWithMatchingUrl->getData('submissionId');
 		} elseif (ctype_digit($urlPath)) {