diff --git a/bin/makeprio b/bin/makeprio
index a2d8d69..f7c63b0 100755
--- a/bin/makeprio
+++ b/bin/makeprio
@@ -1,38 +1,8 @@
-#!/bin/bash
+#!/bin/sh -e
 
-# Variables
-sudo=sudo
-renice=renice
 pid="$(pidof "$1")"
+shift
+prio="${1:--22}"
 
-# Error function
-error() {
-	>&2 echo -e "\033[1;31mERROR:\033[0m $1"; shift
-	exit "${1:-1}"
-}
-
-# Test if process exists
-if [[ -z $pid ]]; then
-	error "No such process." 1
-else
-	shift
-fi
-
-# Arguments
-prio="${1:--20}"; shift
-
-# Command building
-renice=(
-	"$sudo"
-	"$renice"
-	"$prio"
-	"$pid"
-)
-
-# Debug
-#echo "${renice[@]}"
-#exit 0
-
-# Execution
-"${renice[@]}"
+sudo renice "$prio" "$pid"