diff --git a/ofdpa/accton_util.py b/ofdpa/accton_util.py
index fabcab7..342800c 100755
--- a/ofdpa/accton_util.py
+++ b/ofdpa/accton_util.py
@@ -163,7 +163,7 @@
  
     return group_id_list, msgs
 
-def add_one_l2_interface_grouop(ctrl, port, vlan_id=1, is_tagged=False, send_barrier=False):
+def add_one_l2_interface_group(ctrl, port, vlan_id=1, is_tagged=False, send_barrier=False):
     # group table
     # set up untag groups for each port
     group_id = encode_l2_interface_group_id(vlan_id, port)