diff --git a/app/components/post_textbox/post_textbox_base.js b/app/components/post_textbox/post_textbox_base.js
index 96513e56d..562c27474 100644
--- a/app/components/post_textbox/post_textbox_base.js
+++ b/app/components/post_textbox/post_textbox_base.js
@@ -105,6 +105,7 @@ export default class PostTextBoxBase extends PureComponent {
         files: [],
         rootId: '',
         value: '',
+        canPost: true,
     };
 
     static contextTypes = {