diff --git a/xCAT/xCAT.spec b/xCAT/xCAT.spec
index 4357beef9..92517abae 100644
--- a/xCAT/xCAT.spec
+++ b/xCAT/xCAT.spec
@@ -37,6 +37,12 @@ Requires: /etc/xinetd.d/tftp
 # yaboot-xcat is pulled in so any MN can manage ppc nodes
 Requires: yaboot-xcat
 %endif
+%ifarch ppc64
+Requires: perl-IO-Stty
+%endif
+%ifarch ppc64
+Requires: perl-IO-Stty
+%endif
 %endif
 
 # The aix rpm cmd forces us to do this outside of ifos type stmts
diff --git a/xCATsn/xCATsn.spec b/xCATsn/xCATsn.spec
index d274fa2fc..a76cb03e4 100644
--- a/xCATsn/xCATsn.spec
+++ b/xCATsn/xCATsn.spec
@@ -34,6 +34,9 @@ Requires: /etc/xinetd.d/tftp
 # yaboot-xcat is pulled in so any MN can manage ppc nodes
 Requires: yaboot-xcat 
 %endif
+%ifarch ppc64
+Requires: perl-IO-Stty
+%endif
 %endif
 
 # The aix rpm cmd forces us to do this outside of ifos type stmts