diff --git a/core/src/Revolution/modX.php b/core/src/Revolution/modX.php
index 086ffd0448..1030d8b906 100644
--- a/core/src/Revolution/modX.php
+++ b/core/src/Revolution/modX.php
@@ -409,7 +409,7 @@ public static function toQueryString(array $parameters = [], $numPrefix = '', $a
      */
     public function paramValueIsTrue(array $params, $key, bool $returnBoolAsString = false)
     {
-        if (isset($params[$key]) && in_array($params[$key], ['true', true, '1', 1])) {
+        if (isset($params[$key]) && in_array($params[$key], ['true', true, '1', 1], true)) {
             return $returnBoolAsString ? 'true' : true ;
         }
         return $returnBoolAsString ? 'false' : false ;