diff --git a/dockers/docker-dhcp-relay/cli-plugin-tests/test_show_dhcpv6_helper.py b/dockers/docker-dhcp-relay/cli-plugin-tests/test_show_dhcpv6_helper.py
index 1f079c5ac965..fcb15b98082d 100644
--- a/dockers/docker-dhcp-relay/cli-plugin-tests/test_show_dhcpv6_helper.py
+++ b/dockers/docker-dhcp-relay/cli-plugin-tests/test_show_dhcpv6_helper.py
@@ -34,7 +34,8 @@ def test_show_dhcpv6_helper(self, test_name, test_data, fs):
             fs.create_file(DBCONFIG_PATH) 
         MockConfigDb.set_config_db(test_data["config_db"])
         runner = CliRunner()
-        table = MockConfigDb.get_table(self, "DHCP_RELAY")
+        config_db = MockConfigDb()
+        table = config_db.get_table("DHCP_RELAY")
         result = show.get_data(table, "Vlan1000")
         assert result == expected_table