diff --git a/optional_plugins/loader_yaml/avocado_loader_yaml/__init__.py b/optional_plugins/loader_yaml/avocado_loader_yaml/__init__.py
index ddb6de83b1c7cbc7aff33841013966840f01afef..07c156d6b2f202bcc5e9735cb4376c3333e9b1bc 100644
--- a/optional_plugins/loader_yaml/avocado_loader_yaml/__init__.py
+++ b/optional_plugins/loader_yaml/avocado_loader_yaml/__init__.py
@@ -85,7 +85,7 @@ class YamlTestsuiteLoader(loader.TestLoader):
         if not _args:
             args = self.args
         else:
-            args = copy.deepcopy(self.args)
+            args = copy.copy(self.args)
             for key, value in iteritems(_args):
                 setattr(args, key, value)
         extra_params = params.get("test_reference_resolver_extra", default={})