1 files changed, 4 insertions, 4 deletions
diff --git a/apps/provisioning_api/lib/Controller/UsersController.php b/apps/provisioning_api/lib/Controller/UsersController.php
index bc97e32faa4..b005acc4d7f 100644
--- a/apps/provisioning_api/lib/Controller/UsersController.php
+++ b/apps/provisioning_api/lib/Controller/UsersController.php
@@ -942,11 +942,11 @@ class UsersController extends AUserData {
 				if (filter_var($value, FILTER_VALIDATE_EMAIL) && $value !== $targetUser->getSystemEMailAddress()) {
 					$userAccount = $this->accountManager->getAccount($targetUser);
 					$mailCollection = $userAccount->getPropertyCollection(IAccountManager::COLLECTION_EMAIL);
-					foreach ($mailCollection->getProperties() as $property) {
-						if ($property->getValue() === $value) {
-							break;
-						}
+
+					if ($mailCollection->getPropertyByValue($value)) {
+						throw new OCSException('', 102);
 					}
+
 					$mailCollection->addPropertyWithDefaults($value);
 					$this->accountManager->updateAccount($userAccount);
 				} else {