.
diff --git a/accton/group_test.py b/accton/group_test.py
index 255027b..8acb025 100755
--- a/accton/group_test.py
+++ b/accton/group_test.py
@@ -734,7 +734,7 @@
                                                              watch_port=test_port, 

                                                              watch_group=ofp.OFPP_ANY, 

                                                              push_vlan=None,

-                                                             pop_van=None,

+                                                             pop_vlan=None,

                                                              set_vid=None)

             

         stats = get_stats(self, ofp.message.group_desc_stats_request())

@@ -794,7 +794,7 @@
                                                              watch_port=None, 

                                                              watch_group=None,

                                                              push_vlan=None,

-                                                             pop_van=None,

+                                                             pop_vlan=None,

                                                              set_vid=None)

             

         stats = get_stats(self, ofp.message.group_desc_stats_request())