diff --git a/resources/assets/js/components/ColumnEditor.vue b/resources/assets/js/components/ColumnEditor.vue
index d1f139c..57956c8 100644
--- a/resources/assets/js/components/ColumnEditor.vue
+++ b/resources/assets/js/components/ColumnEditor.vue
@@ -279,7 +279,7 @@ export default {
     addCol () {
       if (this.newTable) {
         this.columns.push({
-          id: '_' + (this.newColNum++),
+          id: 'dummy_' + (this.newColNum++),
           name: '',
           type: 'string',
           title: '',