diff --git a/synchro/replica.php b/synchro/replica.php
index 1169997c3..49308d774 100644
--- a/synchro/replica.php
+++ b/synchro/replica.php
@@ -53,7 +53,7 @@ try {
 			$iSourceId = utils::ReadParam('datasource', null);
 			if ($iSourceId != null) {
 				$oSource = MetaModel::GetObject(SynchroDataSource::class, $iSourceId);
-				$oBackButton = ButtonUIBlockFactory::MakeLinkNeutral( ApplicationContext::MakeObjectUrl('SynchroDataSource', $iSourceId), Dict::Format('Core:SynchroReplica:BackToDataSource',  $oSource->GetName()), 'fas fa-chevron-left');
+				$oBackButton = ButtonUIBlockFactory::MakeLinkNeutral( ApplicationContext::MakeObjectUrl(SynchroDataSource::class, $iSourceId), Dict::Format('Core:SynchroReplica:BackToDataSource',  $oSource->GetName()), 'fas fa-chevron-left');
 				$oP->AddUiBlock($oBackButton);
 				$oP->AddUiBlock(TitleUIBlockFactory::MakeForPage(Dict::Format('Core:SynchroReplica:ListOfReplicas', $oSource->GetName())));
 			}