diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 2ae75d4d8389..5405b730eb92 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -2377,7 +2377,7 @@ int dsa_slave_create(struct dsa_port *port)
 
 	if (port->name) {
 		name = port->name;
-		assign_type = NET_NAME_UNKNOWN;
+		assign_type = NET_NAME_PREDICTABLE;
 	} else {
 		name = "eth%d";
 		assign_type = NET_NAME_UNKNOWN;