diff --git a/xCAT/xCAT.spec b/xCAT/xCAT.spec
index 86994f83a..b01c704a6 100644
--- a/xCAT/xCAT.spec
+++ b/xCAT/xCAT.spec
@@ -24,6 +24,9 @@ Requires: atftp dhcp httpd nfs-utils expect nmap fping bind perl-XML-Parser vsft
 # No additional requires for zLinux right now
 %else
 Requires: conserver
+%ifarch ppc64
+Requires: perl-IO-Stty
+%endif
 %endif
 %endif