diff --git a/xCAT-test/autotest/testcase/copycds/cases0 b/xCAT-test/autotest/testcase/copycds/cases0
index da1d9bb46..7f2632131 100644
--- a/xCAT-test/autotest/testcase/copycds/cases0
+++ b/xCAT-test/autotest/testcase/copycds/cases0
@@ -6,7 +6,7 @@ cmd:copycds $$ISO
 check:rc==0
 check:output=~Copying media to /install/__GETNODEATTR($$CN,os)__/__GETNODEATTR($$CN,arch)__
 check:output=~Media copy operation successful
-cmd:ls /install/__GETNODEATTR($$CN,os)__/__GETNODEATTR($$CN,arch)__ 
+cmd:ls /install/__GETNODEATTR($$CN,os)__/__GETNODEATTR($$CN,arch)__
 check:rc==0
 end