diff --git a/aviat_config.py b/aviat_config.py
index 8d20f08..fc700f7 100755
--- a/aviat_config.py
+++ b/aviat_config.py
@@ -114,7 +114,7 @@ class Worker(threading.Thread):
                         commands = [
                             INUeCommand("Slot%s_I" % rstp_dac, "ceConfigNmsVid", 0, VLAN),
                             INUeCommand("Terminal_I", "ipConfigAdEntAddress", rstp_dac + 1, new_ip),
-                            INUeCommand("Terminal_I", "ipConfigAdEntNet_Mask", rstp_dac + 1, NET_MASK),
+                            INUeCommand("Terminal_I", "ipConfigAdEntNetMask", rstp_dac + 1, NET_MASK),
                             INUeCommand("Terminal_I", "ipConfigAutoroutingOspfEnable", rstp_dac + 1, 2),
                             INUeCommand("Terminal_I", "ipCidrRouteIfIndex", rstp_dac + 48, GATEWAY, True),
                         ]