diff --git a/assets/javascripts/image-tag-whitelist.js b/assets/javascripts/image-tag-whitelist.js
index dc7398e..128c43c 100644
--- a/assets/javascripts/image-tag-whitelist.js
+++ b/assets/javascripts/image-tag-whitelist.js
@@ -1,3 +1,5 @@
+import { registerOption } from 'pretty-text/pretty-text';
+
 (function() {
 
   Discourse.Markdown.whiteListTag('span', 'class', 'dropcap');