diff --git a/javascripts/discourse/api-initializers/table-editor.js b/javascripts/discourse/api-initializers/table-editor.js
index 76c1ea7..c0ca284 100644
--- a/javascripts/discourse/api-initializers/table-editor.js
+++ b/javascripts/discourse/api-initializers/table-editor.js
@@ -73,6 +73,9 @@ export default apiInitializer("0.11.1", (api) => {
 
   api.decorateCookedElement(
     (post, helper) => {
+      if (!helper || !post) {
+        return;
+      }
       const canEdit = helper.widget.attrs.canEdit;
 
       if (!canEdit) {