diff --git a/libraries/src/Extension/ExtensionHelper.php b/libraries/src/Extension/ExtensionHelper.php
index 3917bb01080ad..d9aff5695818d 100644
--- a/libraries/src/Extension/ExtensionHelper.php
+++ b/libraries/src/Extension/ExtensionHelper.php
@@ -409,7 +409,8 @@ public static function getCoreExtensionIds()
                 ],
                 '|'
             ),
-            $values
+            $values,
+            ParameterType::STRING
         );
 
         $db->setQuery($query);