diff --git a/lib/types/json-array.vue b/lib/types/json-array.vue
index 41758a0..c2b40fb 100644
--- a/lib/types/json-array.vue
+++ b/lib/types/json-array.vue
@@ -92,7 +92,7 @@ export default {
           },
           props: {
             sort: this.sort,
-            // keyName: key,
+            keyName: `${key}`,
             depth: this.depth + 1,
             value,
             previewMode: this.previewMode,