diff --git a/resources/templates/provision/yealink/t56a/{$mac}.cfg b/resources/templates/provision/yealink/t56a/{$mac}.cfg
index 2df080cefe..f0894bf27e 100644
--- a/resources/templates/provision/yealink/t56a/{$mac}.cfg
+++ b/resources/templates/provision/yealink/t56a/{$mac}.cfg
@@ -2917,8 +2917,8 @@ static.network.internet_port.type =
 static.network.internet_port.ip =
 static.network.internet_port.mask = 
 static.network.internet_port.gateway =
-static.network.primary_dns= 
-static.network.secondary_dns = 
+static.network.primary_dns= {$dns_server_primary}
+static.network.secondary_dns = {$dns_server_secondary}