diff --git a/xCAT/xCAT.spec b/xCAT/xCAT.spec
index 9daf52235..cd525f1ae 100644
--- a/xCAT/xCAT.spec
+++ b/xCAT/xCAT.spec
@@ -19,7 +19,7 @@ Source4: prescripts.tar.gz
 %endif
 
 Provides: xCAT = %{version}
-Requires: xCAT-server xCAT-client perl-DBD-SQLite xnba-undi syslinux-xcat
+Requires: xCAT-server xCAT-client perl-DBD-SQLite
 
 %ifos linux
 Requires: atftp dhcp httpd nfs-utils expect nmap fping bind perl-XML-Parser vsftpd
@@ -39,6 +39,7 @@ Requires: perl-IO-Stty
 # The nb rpms are used for dhcp-based discovery, and flashing, so for now we do not need them on a ppc MN.
 Requires: xCAT-nbroot-oss-x86 xCAT-nbroot-core-x86 xCAT-nbkernel-x86 xCAT-nbroot-oss-x86_64 xCAT-nbroot-core-x86_64 xCAT-nbkernel-x86_64 xCAT-nbroot-oss-ppc64 xCAT-nbroot-core-ppc64 xCAT-nbkernel-ppc64 syslinux
 Requires: ipmitool >= 1.8.9
+Requires: xnba-undi syslinux-xcat
 %endif
 
 %description
diff --git a/xCATsn/xCATsn.spec b/xCATsn/xCATsn.spec
index 0ddbf0ba6..86a1b65ab 100644
--- a/xCATsn/xCATsn.spec
+++ b/xCATsn/xCATsn.spec
@@ -31,6 +31,7 @@ Requires: conserver yaboot-xcat perl-Net-Telnet
 # The nb rpms are used for dhcp-based discovery, and flashing, so for now we do not need them on a ppc MN.
 Requires: xCAT-nbroot-oss-x86 xCAT-nbroot-core-x86 xCAT-nbkernel-x86 xCAT-nbroot-oss-x86_64 xCAT-nbroot-core-x86_64 xCAT-nbkernel-x86_64 xCAT-nbroot-oss-ppc64 xCAT-nbroot-core-ppc64 xCAT-nbkernel-ppc64 syslinux
 Requires: ipmitool >= 1.8.9
+Requires: xnba-undi syslinux-xcat
 %endif
 
 %description