diff --git a/lib/dmtf_tools_utils.robot b/lib/dmtf_tools_utils.robot
index 419dc45..5b175ff 100644
--- a/lib/dmtf_tools_utils.robot
+++ b/lib/dmtf_tools_utils.robot
@@ -20,7 +20,9 @@
     # rsv_dir_path    Directory path for rsv tool (e.g. "Redfish-Service-Validator").
     # rsv_github_url  Github URL link(e.g "https://github.com/DMTF/Redfish-Service-Validator").
 
-    ${rc}  ${output}=  Shell Cmd  rm -rf ${rsv_dir_path} ; git clone --branch ${stable_branch} ${rsv_github_url} ${rsv_dir_path}
+    ${cmd_buf}  Catenate  rm -rf ${rsv_dir_path} ;
+    ...  git clone --branch ${stable_branch} ${rsv_github_url} ${rsv_dir_path}
+    ${rc}  ${output}=  Shell Cmd  ${cmd_buf}
 
 
 Run DMTF Tool