diff --git a/typo3/sysext/extensionmanager/Classes/Domain/Repository/ExtensionRepository.php b/typo3/sysext/extensionmanager/Classes/Domain/Repository/ExtensionRepository.php
index b4c61eb55a939b24e1256b2baa2cc1937350a832..54d0c71cfe1e8574d2f64ff6fedd80e2a226413c 100644
--- a/typo3/sysext/extensionmanager/Classes/Domain/Repository/ExtensionRepository.php
+++ b/typo3/sysext/extensionmanager/Classes/Domain/Repository/ExtensionRepository.php
@@ -148,13 +148,12 @@ class ExtensionRepository extends \TYPO3\CMS\Extbase\Persistence\Repository
         $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
             ->getQueryBuilderForTable(self::TABLE_NAME);
 
-        $searchPlaceholder = $queryBuilder->createNamedParameter($searchString);
         $searchPlaceholderForLike = '%' . $queryBuilder->escapeLikeWildcards($searchString) . '%';
 
         $searchConstraints = [
             'extension_key' => $queryBuilder->expr()->eq(
                 'extension_key',
-                $queryBuilder->createNamedParameter($searchPlaceholder, \PDO::PARAM_STR)
+                $queryBuilder->createNamedParameter($searchString, \PDO::PARAM_STR)
             ),
             'extension_key_like' => $queryBuilder->expr()->like(
                 'extension_key',