diff --git a/xCAT-server/xCAT-server.spec b/xCAT-server/xCAT-server.spec
index 2b6ee0988..3c8a18b62 100644
--- a/xCAT-server/xCAT-server.spec
+++ b/xCAT-server/xCAT-server.spec
@@ -34,7 +34,7 @@ Obsoletes: atftp-xcat
 %ifos linux
 %ifnarch s390x
 # PCM does not use or ship grub2-xcat
-#Requires: grub2-xcat
+Requires: grub2-xcat
 %endif
 %endif
 %endif