diff --git a/lib/travis/web/api_redirect.rb b/lib/travis/web/api_redirect.rb
index 5bf8a688..04cca3b8 100644
--- a/lib/travis/web/api_redirect.rb
+++ b/lib/travis/web/api_redirect.rb
@@ -18,7 +18,7 @@ class Travis::Web::ApiRedirect < Sinatra::Base
     end
   end
 
-  get NotPublicImages.new(%r{^/(\w+)/(\w+).png}, %r{^/images/}) do
+  get NotPublicImages.new(%r{^/([^/]+)/([^/]+).png}, %r{^/images/}) do
     redirect!
   end