diff --git a/assets/javascripts/lib/discourse-markdown/dropcaps.js b/assets/javascripts/lib/discourse-markdown/dropcaps.js
index c83201b..3d6a2f3 100644
--- a/assets/javascripts/lib/discourse-markdown/dropcaps.js
+++ b/assets/javascripts/lib/discourse-markdown/dropcaps.js
@@ -3,5 +3,15 @@ export function setup(helper) {
     opts.features['dropcaps'] = true; //!!siteSettings.dropcaps_enabled;
   });
 
-  helper.whiteList([ 'span.dropcaps', 'span.sclass' ]);
+  helper.allowList([
+    'div.alert',
+    'div.alert.alert-silver',
+    'div.alert.alert-info',
+    'div.alert.alert-success',
+    'div.alert alert-warning',
+    'div.alert alert-error',
+    'div.alert alert-danger',
+    'span.dropcaps',
+    'span.sclass'
+  ]);
 }