diff --git a/templates/kernel/prepost-inst b/templates/kernel/prepost-inst
index d15f35e9a13..fc0225b8040 100644
--- a/templates/kernel/prepost-inst
+++ b/templates/kernel/prepost-inst
@@ -17,10 +17,16 @@ post)
 			mntproc_cmd="mount -t proc proc /proc"
 			umntproc_cmd="umount /proc"
 		fi
+		if $(mount|grep "^/sys" 2>&1 >/dev/null); then
+			mntsys_cmd="mount -t sysfs none /sys"
+			umntsys_cmd="umount /sys"
+		fi
 		initramfs_cmd="update-initramfs"
 	else
 		mntproc_cmd="chroot $1 mount -t proc proc ./proc"
 		umntproc_cmd="chroot $1 umount ./proc"
+		mntsys_cmd="chroot $1 mount -t sysfs none ./sys"
+		umntsys_cmd="chroot $1 umount ./sys"
 		initramfs_cmd="chroot $1 update-initramfs"
 	fi
 
@@ -31,8 +37,10 @@ post)
 	fi
 
 	${mntproc_cmd}
+	${mntsys_cmd}
 	${initramfs_cmd}
 	${umntproc_cmd}
+	${umntsys_cmd}
 	;;
 esac