diff --git a/railties/lib/rails_generator/generators/components/mailer/templates/unit_test.rb b/railties/lib/rails_generator/generators/components/mailer/templates/unit_test.rb
index 9af5ef29c278352151f3acea0c94f4838c1a4ec8..0512cad5fa46fc3507e820955ff6c0f0f5cee8bd 100644
--- a/railties/lib/rails_generator/generators/components/mailer/templates/unit_test.rb
+++ b/railties/lib/rails_generator/generators/components/mailer/templates/unit_test.rb
@@ -18,7 +18,7 @@ def setup
 
 <% for action in actions -%>
   def test_<%= action %>
-    @expected.subject = encode '<%= class_name %>#<%= action %>'
+    @expected.subject = '<%= class_name %>#<%= action %>'
     @expected.body    = read_fixture('<%= action %>')
     @expected.date    = Time.now