diff --git a/neutron_tempest_plugin/scenario/test_dhcp.py b/neutron_tempest_plugin/scenario/test_dhcp.py
index d0545e2..31d2930 100644
--- a/neutron_tempest_plugin/scenario/test_dhcp.py
+++ b/neutron_tempest_plugin/scenario/test_dhcp.py
@@ -66,7 +66,7 @@
         test_domain = "test.domain"
         extra_dhcp_opts = [
             {'opt_name': 'domain-name',
-             'opt_value': '"%s"' % test_domain}]
+             'opt_value': '%s' % test_domain}]
         port = self.create_port(
             network=self.network, name=self.rand_name,
             security_groups=[self.security_group['id']],