diff --git a/src/test/dhcp/dhcpTest.py b/src/test/dhcp/dhcpTest.py
index 8f14e65..38eb839 100644
--- a/src/test/dhcp/dhcpTest.py
+++ b/src/test/dhcp/dhcpTest.py
@@ -57,7 +57,7 @@
     @classmethod
     def setUpClass(cls):
         cls.olt = OltConfig()
-        cls.port_map = cls.olt.olt_port_map()
+        cls.port_map, _ = cls.olt.olt_port_map()
         if not cls.port_map:
             cls.port_map = g_subscriber_port_map
         cls.iface = cls.port_map[1]