diff --git a/devstack/plugin.sh b/devstack/plugin.sh
index d2b4565ba..3312ba285 100755
--- a/devstack/plugin.sh
+++ b/devstack/plugin.sh
@@ -181,6 +181,9 @@ function configure_designate_tempest() {
             nameservers=$DESIGNATE_NAMESERVERS
         fi
 
+        iniset $TEMPEST_CONFIG dns nameservers $nameservers
+
+        # For legacy functionaltests
         iniset $TEMPEST_CONFIG designate nameservers $nameservers
     fi
 }