diff --git a/xCAT-server/share/xcat/install/scripts/pre.rhels8 b/xCAT-server/share/xcat/install/scripts/pre.rhels8
index 204d73a8e..26d8f6ae4 100644
--- a/xCAT-server/share/xcat/install/scripts/pre.rhels8
+++ b/xCAT-server/share/xcat/install/scripts/pre.rhels8
@@ -248,8 +248,8 @@ then
     instdisk="$(cat /tmp/xcat.install_disk)"
 fi
 
-BOOTFSTYPE=ext4
-FSTYPE=ext4
+BOOTFSTYPE=xfs
+FSTYPE=xfs
 EFIFSTYPE=efi
 
 #remove any exiting "xcatvg" VG to avoid fatal error