diff --git a/app/assets/javascripts/discourse/templates/user/activity.js.handlebars b/app/assets/javascripts/discourse/templates/user/activity.js.handlebars
index c02deec5020..4d11ae6d662 100644
--- a/app/assets/javascripts/discourse/templates/user/activity.js.handlebars
+++ b/app/assets/javascripts/discourse/templates/user/activity.js.handlebars
@@ -7,7 +7,7 @@
     <br/>
     {{#if content.can_send_private_message_to_user}}
       <button class='btn create' {{action composePrivateMessage}}>
-        <i class='icon icon-arrow-right'></i>
+        <i class='icon icon-envelope-alt'></i>
         {{i18n user.private_message}}
       </button>
     {{/if}}