diff --git a/datamodels/2.x/itop-oauth-client/src/Service/ApplicationUIExtension.php b/datamodels/2.x/itop-oauth-client/src/Service/ApplicationUIExtension.php
index 7a43c29de..4ab73d852 100644
--- a/datamodels/2.x/itop-oauth-client/src/Service/ApplicationUIExtension.php
+++ b/datamodels/2.x/itop-oauth-client/src/Service/ApplicationUIExtension.php
@@ -7,6 +7,7 @@
 namespace Combodo\iTop\OAuthClient\Service;
 
 use AbstractApplicationUIExtension;
+use OAuthClient;
 use utils;
 
 class ApplicationUIExtension extends AbstractApplicationUIExtension