diff --git a/plugins/discourse-local-dates/assets/javascripts/discourse/components/discourse-local-dates-create-form.js.es6 b/plugins/discourse-local-dates/assets/javascripts/discourse/components/discourse-local-dates-create-form.js.es6
index 9cb7bf5ac1d..8f0729360b4 100644
--- a/plugins/discourse-local-dates/assets/javascripts/discourse/components/discourse-local-dates-create-form.js.es6
+++ b/plugins/discourse-local-dates/assets/javascripts/discourse/components/discourse-local-dates-create-form.js.es6
@@ -76,7 +76,7 @@ export default Ember.Component.extend({
     let text = `[date=${config.date} `;
     if (config.recurring) text += `recurring=${config.recurring} `;
     text += `time=${config.time} `;
-    text += `format=${config.format} `;
+    text += `format="${config.format}" `;
     text += `timezones="${config.timezones.join("|")}"`;
     text += `]`;
     return text;