diff --git a/redfish/dmtf_tools/Redfish_Service_Validator.robot b/redfish/dmtf_tools/Redfish_Service_Validator.robot
index 07fce19..105c74e 100644
--- a/redfish/dmtf_tools/Redfish_Service_Validator.robot
+++ b/redfish/dmtf_tools/Redfish_Service_Validator.robot
@@ -13,9 +13,9 @@
 ${DEFAULT_PYTHON}  python3
 ${rsv_dir_path}    Redfish-Service-Validator
 ${rsv_github_url}  https://github.com/DMTF/Redfish-Service-Validator.git
-${command_string}  ${DEFAULT_PYTHON} ${rsv_dir_path}${/}RedfishServiceValidator.py
-...                --ip ${OPENBMC_HOST}:${HTTPS_PORT} --nochkcert --authtype=Session -u ${OPENBMC_USERNAME}
-...                -p ${OPENBMC_PASSWORD} --logdir ${EXECDIR}${/}logs${/} --debug_logging
+${cmd_str_master}  ${DEFAULT_PYTHON} ${rsv_dir_path}${/}RedfishServiceValidator.py
+...                --ip https://${OPENBMC_HOST}:${HTTPS_PORT} --authtype=Session -u ${OPENBMC_USERNAME}
+...                -p ${OPENBMC_PASSWORD} --logdir ${EXECDIR}${/}logs${/} --debugging
 
 *** Test Case ***
 
@@ -25,7 +25,7 @@
 
     Download DMTF Tool  ${rsv_dir_path}  ${rsv_github_url}
 
-    ${output}=  Run DMTF Tool  ${rsv_dir_path}  ${command_string}
+    ${output}=  Run DMTF Tool  ${rsv_dir_path}  ${cmd_str_master}
 
     Redfish Service Validator Result  ${output}