diff --git a/lib/private/Repair/NC21/ValidatePhoneNumber.php b/lib/private/Repair/NC21/ValidatePhoneNumber.php
index 06bd560a15342b9eb50e5d778e63caa3f49b01c8..6e25ff26b7efae99cd7a2c064495bc09e68f9529 100644
--- a/lib/private/Repair/NC21/ValidatePhoneNumber.php
+++ b/lib/private/Repair/NC21/ValidatePhoneNumber.php
@@ -66,7 +66,7 @@ class ValidatePhoneNumber implements IRepairStep {
 		$numUpdated = 0;
 		$numRemoved = 0;
 
-		$this->userManager->callForSeenUsers(function(IUser $user) use(&$numUpdated, &$numRemoved) {
+		$this->userManager->callForSeenUsers(function (IUser $user) use (&$numUpdated, &$numRemoved) {
 			$account = $this->accountManager->getUser($user);
 
 			if ($account[IAccountManager::PROPERTY_PHONE]['value'] !== '') {