diff --git a/plugins/discourse-local-dates/assets/javascripts/lib/discourse-markdown/discourse-local-dates.js.es6 b/plugins/discourse-local-dates/assets/javascripts/lib/discourse-markdown/discourse-local-dates.js.es6
index eeb68598980..7105464ba81 100644
--- a/plugins/discourse-local-dates/assets/javascripts/lib/discourse-markdown/discourse-local-dates.js.es6
+++ b/plugins/discourse-local-dates/assets/javascripts/lib/discourse-markdown/discourse-local-dates.js.es6
@@ -143,7 +143,7 @@ export function setup(helper) {
 
   helper.registerPlugin(md => {
     const rule = {
-      matcher: /\[date(.+?)\]/,
+      matcher: /\[date(=.+?)\]/,
       onMatch: addLocalDate
     };