diff --git a/webapp/src/Service/SubmissionService.php b/webapp/src/Service/SubmissionService.php
index bc9e7a02ba2..43453b3e1a0 100644
--- a/webapp/src/Service/SubmissionService.php
+++ b/webapp/src/Service/SubmissionService.php
@@ -175,7 +175,7 @@ public function getSubmissionList(
             } else {
                 $queryBuilder
                     ->andWhere('ej.result = :externalresult')
-                    ->setParameter('externalresult', $restrictions['external_result']);
+                    ->setParameter('externalresult', $restrictions->externalResult);
             }
         }