diff --git a/xCAT-server/share/xcat/netboot/ubuntu/compute.postinstall b/xCAT-server/share/xcat/netboot/ubuntu/compute.postinstall
index a69ec1e64..1e6ed8dc3 100755
--- a/xCAT-server/share/xcat/netboot/ubuntu/compute.postinstall
+++ b/xCAT-server/share/xcat/netboot/ubuntu/compute.postinstall
@@ -28,7 +28,7 @@ proc    /proc    proc     defaults       0 0
 sysfs   /sys     sysfs    defaults       0 0
 tmpfs   /tmp     tmpfs    defaults             0 2
 tmpfs   /var/tmp     tmpfs    defaults       0 2
-compute_ppc64el    /   tmpfs   rw  0 1
+${profile}_${arch}    /   tmpfs   rw  0 1
 END