diff --git a/xCAT-test/autotest/testcase/xdsh/cases0 b/xCAT-test/autotest/testcase/xdsh/cases0
index 2890a992c..b891da7ec 100644
--- a/xCAT-test/autotest/testcase/xdsh/cases0
+++ b/xCAT-test/autotest/testcase/xdsh/cases0
@@ -15,7 +15,7 @@ start:xdsh_regular_command
 label:cn_os_ready,parallel_cmds
 cmd:XCATBYPASS=1 xdsh $$CN "ps -ef"
 check:rc==0
-check:output=~$$CN: UID        PID  PPID  C STIME TTY          TIME CMD
+check:output=~$$CN:\s+UID\s+PID\s+PPID\s+C\s+STIME\s+TTY\s+TIME\s+CMD
 end
 
 start:xdsh_Q_command