diff --git a/xCAT-test/autotest/testcase/installation/aix_full_installation b/xCAT-test/autotest/testcase/installation/aix_full_installation
index b33be3062..c485d60a2 100644
--- a/xCAT-test/autotest/testcase/installation/aix_full_installation
+++ b/xCAT-test/autotest/testcase/installation/aix_full_installation
@@ -21,6 +21,7 @@ cmd:makeconservercf
 check:rc==0
 cmd:cat /etc/conserver.cf | grep $$CN
 check:output=~$$CN
+cmd:sleep 60
 cmd:getmacs $$CN -f -D
 check:rc==0
 cmd:xcat2nim -t node -o $$CN