diff --git a/tempest/tempest_ext.conf b/tempest/tempest_ext.conf
index 9667a5e..b1666e5 100644
--- a/tempest/tempest_ext.conf
+++ b/tempest/tempest_ext.conf
@@ -61,7 +61,7 @@
 build_timeout = 120
 endpoint_type = publicURL
 
-[network_feature_enabled]
+[network-feature-enabled]
 port_security = true
 
 [validation]