diff --git a/xCAT-test/autotest/testcase/go_xcat/case3 b/xCAT-test/autotest/testcase/go_xcat/case3
index 01b58b915..a62653d02 100644
--- a/xCAT-test/autotest/testcase/go_xcat/case3
+++ b/xCAT-test/autotest/testcase/go_xcat/case3
@@ -66,7 +66,7 @@ cmd:if [[ "$$OS" =~ "ubuntu" ]]; then xdsh $$CN "apt-key list"; else xdsh $$CN "
 check:output=~xCAT Automatic Signing Key
 
 #Remove public key on non-Ubuntu system. It was installed during go-xcat RPM installs
-cmd:if [[ "$$OS" !~ "ubuntu" ]]; then xdsh $$CN "rpm -e gpg-pubkey-ca548a47-5b2c830b"; fi
+cmd:if [[ "$$OS" != "ubuntu" ]]; then xdsh $$CN "rpm -e gpg-pubkey-ca548a47-5b2c830b"; fi
 
 cmd:xdsh $$CN "service xcatd stop"
 end