diff --git a/lib/private/DB/PgSqlTools.php b/lib/private/DB/PgSqlTools.php
index d529cb26b09d5..5ddebed7112d4 100644
--- a/lib/private/DB/PgSqlTools.php
+++ b/lib/private/DB/PgSqlTools.php
@@ -38,9 +38,9 @@ public function resynchronizeDatabaseSequences(Connection $conn) {
 			/** @var string|AbstractAsset $asset */
 			$filterExpression = '/^' . preg_quote($this->config->getSystemValueString('dbtableprefix', 'oc_')) . '/';
 			if ($asset instanceof AbstractAsset) {
-				return preg_match($filterExpression, $asset->getName()) !== false;
+				return preg_match($filterExpression, $asset->getName()) === 1;
 			}
-			return preg_match($filterExpression, $asset) !== false;
+			return preg_match($filterExpression, $asset) === 1;
 		});
 
 		foreach ($conn->createSchemaManager()->listSequences() as $sequence) {