diff --git a/app/controllers/user_avatars_controller.rb b/app/controllers/user_avatars_controller.rb
index 80093b600e6..d29351b3794 100644
--- a/app/controllers/user_avatars_controller.rb
+++ b/app/controllers/user_avatars_controller.rb
@@ -24,7 +24,7 @@ class UserAvatarsController < ApplicationController
     params.require(:version)
     params.require(:size)
 
-    return render_dot if params[:version] != LetterAvatar.version
+    return render_dot if params[:version].to_i != LetterAvatar::VERSION
 
     image = LetterAvatar.generate(params[:username].to_s, params[:size].to_i)