diff --git a/src/app/contentManagement/controllers/MergeController.php b/src/app/contentManagement/controllers/MergeController.php
index 8d775dbad9494555e877c66b4dc5673979e991c9..76ddac652a7ce99a7b08fe05317036c3586c197f 100644
--- a/src/app/contentManagement/controllers/MergeController.php
+++ b/src/app/contentManagement/controllers/MergeController.php
@@ -270,7 +270,13 @@ class MergeController
                 'orderBy'   => ['value']
             ]);
             foreach ($customs as $custom) {
-                $customField[$custom['custom_field_id']] = $custom['value'];
+                $decoded = json_decode($custom['value']);
+
+                if (is_array($decoded)) {
+                    $customField[$custom['custom_field_id']] = implode("\n", $decoded);
+                } else {
+                    $customField[$custom['custom_field_id']] = $decoded;
+                }
             }
         } else {
             if (!empty($args['customFields'])) {