diff --git a/app/Models/Study.php b/app/Models/Study.php
index b31847e..e8b9b0c 100644
--- a/app/Models/Study.php
+++ b/app/Models/Study.php
@@ -163,7 +163,7 @@ public function getReportStatusLedAttribute(): string
     public function getArchiveLink(): ?string
     {
         if (me()->may(Permission::StudyDownload)) {
-            return PacsUrlGen::archive($this->orthancHost, $this->study_instance_uid);
+            return PacsUrlGen::archive($this->orthancHost, $this);
         }
 
         return null;
@@ -172,7 +172,7 @@ public function getArchiveLink(): ?string
     public function getStoneLink(): ?string
     {
         if (me()->may(Permission::StudyDownload)) {
-            return PacsUrlGen::stoneViewer($this->orthancHost, $this->study_instance_uid);
+            return PacsUrlGen::stoneViewer($this->orthancHost, $this);
         }
 
         return null;
@@ -181,7 +181,7 @@ public function getStoneLink(): ?string
     public function getOhifLink(): ?string
     {
         if (me()->may(Permission::StudyDownload)) {
-            return PacsUrlGen::ohifViewer($this->orthancHost, $this->study_instance_uid);
+            return PacsUrlGen::ohifViewer($this->orthancHost, $this);
         }
 
         return null;
@@ -190,7 +190,7 @@ public function getOhifLink(): ?string
     public function getOhifSegmentationLink(): ?string
     {
         if (me()->may(Permission::StudyDownload)) {
-            return PacsUrlGen::ohifSegmentation($this->orthancHost, $this->study_instance_uid);
+            return PacsUrlGen::ohifSegmentation($this->orthancHost, $this);
         }
 
         return null;
@@ -199,7 +199,7 @@ public function getOhifSegmentationLink(): ?string
     public function getOhifMprLink(): ?string
     {
         if (me()->may(Permission::StudyDownload)) {
-            return PacsUrlGen::ohifViewerMpr($this->orthancHost, $this->study_instance_uid);
+            return PacsUrlGen::ohifViewerMpr($this->orthancHost, $this);
         }
 
         return null;