diff --git a/test/unit/mailer_test.rb b/test/unit/mailer_test.rb
index 046766640..a1f85cde1 100644
--- a/test/unit/mailer_test.rb
+++ b/test/unit/mailer_test.rb
@@ -214,7 +214,9 @@ class MailerTest < ActiveSupport::TestCase
     assert_nil mail.references
     assert_select_email do
       # link to the message
-      assert_select "a[href=?]", "http://mydomain.foo/boards/#{message.board.id}/topics/#{message.id}", :text => message.subject
+      assert_select "a[href=?]",
+                    "http://mydomain.foo/boards/#{message.board.id}/topics/#{message.id}",
+                    :text => message.subject
     end
   end