diff --git a/openup b/openup
index 5bf0fe3..a0e2a26 100755
--- a/openup
+++ b/openup
@@ -30,34 +30,38 @@ PKG_CERT_REGEX='M:Tier Ltd. OpenBSD Stable Updates'
 
 # DO NOT MODIFY ANYTHING BELOW THIS LINE!!!
 
-OPENUP_VERSION=1
-OPENUP_MINREL=53
-MEESA=$(readlink -f $0)
-TMPDIR="${TMPDIR:=/tmp}"
-
-# magic taken from fw_update(1)
-set -- $(sysctl -n kern.version | sed 's/^OpenBSD \([0-9]\.[0-9]\)\([^ ]*\).*/\1 \2/;q')
-version=$1
-tag=$2
-
-error() {
-	echo -n "*** ERROR: $@"
-}
-
 usage() {
 	echo "usage: ${0##*/} [-SUn]" >&2
 	exit 1
 }
 
-check_unsup() {
-	if [ "${tag}" == -!(stable) ]; then
-		error "XXX -current is a no-no"
-		exit 1
-	fi
+if [ "$(id -u)" -ne 0 ]; then
+	error "need root privileges to run this script"
+	usage
+fi
 
-	if [ "$(echo ${version} | tr -d '.')" -lt "${OPENUP_MINREL}" ]; then
-		error "XXX release ${version} is a no-no (non-fatal)"
-	fi
+# magic taken from fw_update(1)
+set -- $(sysctl -n kern.version | sed 's/^OpenBSD \([0-9]\.[0-9]\)\([^ ]*\).*/\1 \2/;q')
+release=$1
+tag=$2
+release_int="$(echo ${release} | tr -d '.')"
+
+if [ "${tag}" == -!(stable) ]; then
+	error "XXX -current is a no-no"
+	exit 1
+fi
+
+if [ "${release_int}" -lt "${OPENUP_MINREL}" ]; then
+	error "XXX release ${release} is a no-no (non-fatal)"
+fi
+
+OPENUP_VERSION=1
+OPENUP_MINREL=53
+MEESA=$(readlink -f $0)
+TMPDIR="${TMPDIR:=/tmp}"
+
+error() {
+	echo -n "*** ERROR: $@"
 }
 
 get_cert() {
@@ -69,7 +73,7 @@ get_cert() {
 	fi
 
 	echo "===> Downloading certificate"
-	_CERT=$(mktemp -p ${TMPDIR} pkg_cert.XXXXXXXXXX) || exit 1
+	_CERT=$(mktemp -p ${TMPDIR} openup-pkg_cert.XXXXXXXXXX) || exit 1
 	_CMD="ftp -Vo ${_CERT} ${PKG_CERT_URL}"
 	if [ -z "${DRYRUN}" ]; then
 		${_CMD}
@@ -99,7 +103,7 @@ update_self() {
 	local _CMD _F _N
 
 	echo "===> Checking for openup(8) update"
-	_F=$(mktemp -p ${TMPDIR} pkg_cert.XXXXXXXXXX) || exit 1
+	_F=$(mktemp -p ${TMPDIR} openup-update.XXXXXXXXXX) || exit 1
 	_CMD="ftp -Vo ${_F} ${OPENUP_URL}"
 	if [ -z "${DRYRUN}" ]; then
 		${_CMD}
@@ -127,7 +131,7 @@ update_self() {
 }
 
 update_binpatches() {
-	local _BP=$(pkg_info -Q binpatch$(echo $version | tr -d '.')-$(arch -s) | sed 's/.[^-]*$//' | sort -u)
+	local _BP=$(pkg_info -Q binpatch${release_int}-$(arch -s) | sed 's/.[^-]*$//' | sort -u)
 
 	if [ -n "$_BP" ]; then
 		echo "===> Updating binpatch(es)"
@@ -155,13 +159,7 @@ while getopts 'SUn' arg; do
 done
 [ $# = $(($OPTIND-1)) ] || usage
 
-if [ "$(id -u)" -ne 0 ]; then
-	error "need root privileges to run this script"
-	usage
-fi
-
 [[ -z $NOSELFUPDATE ]] && update_self
-check_unsup
 [[ -z $NOSIG ]] && get_cert
 update_binpatches
 update_pkg