diff --git a/tests/Database/DatabaseConnectionTest.php b/tests/Database/DatabaseConnectionTest.php
index fe141947e9a0..9ad3819a0057 100755
--- a/tests/Database/DatabaseConnectionTest.php
+++ b/tests/Database/DatabaseConnectionTest.php
@@ -299,7 +299,7 @@ public function testAfterCommitIsExecutedOnFinalCommit()
         $connection = $this->getMockConnection([], $pdo);
         $connection->setTransactionManager($transactionsManager);
 
-        $connection->transaction(function (){
+        $connection->transaction(function () {
             // do nothing
         });
     }