diff --git a/lib/Alchemy/Phrasea/Controller/Prod/RecordController.php b/lib/Alchemy/Phrasea/Controller/Prod/RecordController.php
index 03f9ded26e..bde70a5cde 100644
--- a/lib/Alchemy/Phrasea/Controller/Prod/RecordController.php
+++ b/lib/Alchemy/Phrasea/Controller/Prod/RecordController.php
@@ -86,6 +86,7 @@ class RecordController extends Controller
             // get field's values
             $recordCaptions[$field->get_name()] = $field->get_serialized_values();
         }
+        $recordCaptions["technicalInfo"] = $record->getPositionFromTechnicalInfos();
 
         return $this->app->json([
             "desc"          => $this->render('prod/preview/caption.html.twig', [
diff --git a/lib/classes/record/adapter.php b/lib/classes/record/adapter.php
index dbda9dff04..aa71a42f67 100644
--- a/lib/classes/record/adapter.php
+++ b/lib/classes/record/adapter.php
@@ -781,7 +781,7 @@ class record_adapter implements RecordInterface, cache_cacheableInterface
             ];
         }
 
-        return ['isCoordComplete' => 0, 'latitude' => 0, 'longitude' => 0];
+        return ['isCoordComplete' => 0, 'latitude' => 'false', 'longitude' => 'false'];
     }
 
     /**