diff --git a/app/Services/Pacs/Sync/Pipes/FilterStudies.php b/app/Services/Pacs/Sync/Pipes/FilterStudies.php
index e89c62d..2856b69 100644
--- a/app/Services/Pacs/Sync/Pipes/FilterStudies.php
+++ b/app/Services/Pacs/Sync/Pipes/FilterStudies.php
@@ -15,6 +15,7 @@ public function __invoke(StudiesSync $sync, Closure $next): StudiesSync
         $sync->resetQueues();
 
         $studies = DB::table('studies')
+            ->where('dicom_server_id', $sync->getDicomServer()->id)
             ->whereNull('archived_at')
             ->get(['orthanc_uuid', 'workflow_level'])
             ->pluck('workflow_level', 'orthanc_uuid');