diff --git a/workflow/engine/src/BusinessModel/Cases/OutputDocument.php b/workflow/engine/src/BusinessModel/Cases/OutputDocument.php
index 8683d1e36..0e3d578c6 100644
--- a/workflow/engine/src/BusinessModel/Cases/OutputDocument.php
+++ b/workflow/engine/src/BusinessModel/Cases/OutputDocument.php
@@ -265,7 +265,8 @@ class OutputDocument
                 }
             }
             $g->sessionVarRestore();
-            return $this->getCasesOutputDocument($applicationUid, $userUid, $sDocUID);
+            $response = $this->getCasesOutputDocument($applicationUid, $userUid, $sDocUID);
+            return $response;
         } catch (\Exception $e) {
             throw $e;
         }