diff --git a/xCAT-test/autotest/testcase/genesis/cases0 b/xCAT-test/autotest/testcase/genesis/cases0
index 9294ec467..545b552b1 100644
--- a/xCAT-test/autotest/testcase/genesis/cases0
+++ b/xCAT-test/autotest/testcase/genesis/cases0
@@ -32,11 +32,11 @@ cmd:cat /tmp/genesistestlog/*
 end
 start:nodeset_shell_incorrectmasterip
 description:very if computenode need to do nodeset shell in different net with master will success
-cmd:/opt/xcat/share/xcat/tools/autotest/testcase/genesis/test.sh -check xnba
+cmd:/opt/xcat/share/xcat/tools/autotest/testcase/genesis/test.sh --check xnba
 check:rc==0
-cmd:/opt/xcat/share/xcat/tools/autotest/testcase/genesis/test.sh -check grub2
+cmd:/opt/xcat/share/xcat/tools/autotest/testcase/genesis/test.sh --check grub2
 check:rc==0
-cmd:/opt/xcat/share/xcat/tools/autotest/testcase/genesis/test.sh -check petitboot
+cmd:/opt/xcat/share/xcat/tools/autotest/testcase/genesis/test.sh --check petitboot
 check:rc==0
 cmd:/opt/xcat/share/xcat/tools/autotest/testcase/genesis/test.sh -c
 check:rc==0
diff --git a/xCAT-test/autotest/testcase/genesis/test.sh b/xCAT-test/autotest/testcase/genesis/test.sh
index 72d906ccc..d0332ca7e 100755
--- a/xCAT-test/autotest/testcase/genesis/test.sh
+++ b/xCAT-test/autotest/testcase/genesis/test.sh
@@ -45,7 +45,7 @@ SHELLFOLDER=""
 while [ "$#" -gt "0" ]
 do 
         case $1 in 
-                "-check"|"--check" )
+                "--check" )
                 NETBOOT=$2;
                     if [[ $NETBOOT =~ petitboot ]];then
                         SHELLFOLDER="/tftpboot/petitboot/";