diff --git a/app/assets/javascripts/discourse/routes/user-activity-replies.js.es6 b/app/assets/javascripts/discourse/routes/user-activity-replies.js.es6
index 62607c9a164..f4b579b0057 100644
--- a/app/assets/javascripts/discourse/routes/user-activity-replies.js.es6
+++ b/app/assets/javascripts/discourse/routes/user-activity-replies.js.es6
@@ -2,5 +2,6 @@ import UserActivityStreamRoute from "discourse/routes/user-activity-stream";
 import UserAction from "discourse/models/user-action";
 
 export default UserActivityStreamRoute.extend({
-  userActionType: UserAction.TYPES["posts"]
+  userActionType: UserAction.TYPES["posts"],
+  noContentHelpKey: 'user_activity.no_replies'
 });
diff --git a/app/assets/javascripts/discourse/templates/user/stream.hbs b/app/assets/javascripts/discourse/templates/user/stream.hbs
index 2801c293baf..1af06a86d98 100644
--- a/app/assets/javascripts/discourse/templates/user/stream.hbs
+++ b/app/assets/javascripts/discourse/templates/user/stream.hbs
@@ -1,6 +1,4 @@
 {{#if model.noContent}}
-  <div class='no-content'>
-    {{{model.noContentHelp}}}
-  </div>
+  <div class='alert alert-info'>{{{model.noContentHelp}}}</div>
 {{/if}}
 {{user-stream stream=model}}
diff --git a/config/locales/server.en.yml b/config/locales/server.en.yml
index 9485c76f594..11b04322a91 100644
--- a/config/locales/server.en.yml
+++ b/config/locales/server.en.yml
@@ -708,6 +708,9 @@ en:
     no_likes_given:
       self: "You have not liked any posts."
       others: "No liked posts."
+    no_replies:
+      self: "You have not replied to any posts."
+      others: "No replies."
 
   topic_flag_types:
     spam: