diff --git a/xCAT-test/autotest/testcase/installation/ubuntu_full_installation_vm b/xCAT-test/autotest/testcase/installation/ubuntu_full_installation_vm
index aa70373d0..6cf90d2b6 100644
--- a/xCAT-test/autotest/testcase/installation/ubuntu_full_installation_vm
+++ b/xCAT-test/autotest/testcase/installation/ubuntu_full_installation_vm
@@ -1,5 +1,7 @@
 start:Ubuntu_full_installation_flat_x86_vm
 os:Linux
+stop=yes
+
 cmd:copycds $$ISO
 check:rc==0
 cmd:makedns -n