diff --git a/src/Bundle/ChillMainBundle/Controller/WorkflowController.php b/src/Bundle/ChillMainBundle/Controller/WorkflowController.php
index ce9220d3c..9d130c82e 100644
--- a/src/Bundle/ChillMainBundle/Controller/WorkflowController.php
+++ b/src/Bundle/ChillMainBundle/Controller/WorkflowController.php
@@ -284,7 +284,7 @@ class WorkflowController extends AbstractController
         $isSignaturePerson = false;
 
         $signatures = $entityWorkflow->getCurrentStep()->getSignatures();
-        //todo: change this logic to use the workflow definition metadata isSignature
+        // todo: change this logic to use the workflow definition metadata isSignature
         if (!$signatures->isEmpty()) {
             $isSignaturePerson = $signatures[0]->getSigner() instanceof Person;
         }
@@ -393,9 +393,11 @@ class WorkflowController extends AbstractController
 
             $signature->setSignatureMetadata(
                 [
-                    'documentType' => $data['documentType'],
-                    'documentNumber' => $data['documentNumber'],
-                    'expirationDate' => $data['expirationDate'],
+                    'base_signer' => [
+                        'document_type' => $data['documentType'],
+                        'document_number' => $data['documentNumber'],
+                        'expiration_date' => $data['expirationDate'],
+                    ],
                 ]
             );