diff --git a/test/unit/mail_handler_test.rb b/test/unit/mail_handler_test.rb
index 3a91a7d10..630bf5fc7 100644
--- a/test/unit/mail_handler_test.rb
+++ b/test/unit/mail_handler_test.rb
@@ -1100,7 +1100,7 @@ class MailHandlerTest < ActiveSupport::TestCase
       assert_issue_created(issue)
       assert issue.description.include?('This paragraph is before delimiters')
       assert issue.description.include?('--- This line starts with a delimiter')
-      assert !issue.description.match(/^---#{"\u00A0"}$/)
+      assert !issue.description.match(/^---\u00A0$/)
       assert !issue.description.include?('This paragraph is after the delimiter')
     end
   end