1 files changed, 3 insertions, 1 deletions
diff --git a/actionpack/test/dispatch/request/json_params_parsing_test.rb b/actionpack/test/dispatch/request/json_params_parsing_test.rb
index 302bff0696..c0c3147e37 100644
--- a/actionpack/test/dispatch/request/json_params_parsing_test.rb
+++ b/actionpack/test/dispatch/request/json_params_parsing_test.rb
@@ -46,7 +46,9 @@ class JsonParamsParsingTest < ActionDispatch::IntegrationTest
       begin
         $stderr = StringIO.new # suppress the log
         json = "[\"person]\": {\"name\": \"David\"}}"
-        assert_raise(MultiJson::DecodeError) { post "/parse", json, {'CONTENT_TYPE' => 'application/json', 'action_dispatch.show_exceptions' => false} }
+        exception = assert_raise(ActionDispatch::ParamsParser::ParseError) { post "/parse", json, {'CONTENT_TYPE' => 'application/json', 'action_dispatch.show_exceptions' => false} }
+        assert_equal MultiJson::DecodeError, exception.original_exception.class
+        assert_equal exception.original_exception.message, exception.message
       ensure
         $stderr = STDERR
       end