diff --git a/test/integration/engine_test.rb b/test/integration/engine_test.rb
index f57265de..86958eb5 100644
--- a/test/integration/engine_test.rb
+++ b/test/integration/engine_test.rb
@@ -6,10 +6,9 @@ class RoutingTest < ActionDispatch::IntegrationTest
   include RouteTranslator::ConfigurationHelper
 
   def test_with_engine_inside_localized_block
-    skip 'Regression with Rails 5.1.3. See #172'
     get '/engine_es'
     assert_response :success
-    assert_equal '/blorgh/posts', response.body
+    assert_equal '/es/blorgh/posts', response.body
   end
 
   def test_with_engine_outside_localized_block