diff --git a/load-rechner.sh b/load-rechner.sh
index 5f26fcd..64207c2 100755
--- a/load-rechner.sh
+++ b/load-rechner.sh
@@ -1,7 +1,13 @@
 #!/bin/bash
 
+if ! type bc > /dev/null 2>&1
+then
+	echo "bc nicht installiert"
+	exit 1
+fi
 
-processors="$(cat /proc/cpuinfo | grep processor -c)"
+path=$(find /usr/lib* -name check_load)
+processors="$(grep processor -c /proc/cpuinfo)"
 warn1perc="70"
 warn5perc="60"
 warn15perc="50"
@@ -30,4 +36,4 @@ crit1=$(echo "scale=2; $processors * $crit1perc / 100" | bc)
 crit5=$(echo "scale=2; $processors * $crit5perc / 100" | bc)
 crit15=$(echo "scale=2; $processors * $crit15perc / 100" | bc)
 
-echo "check_loadavg -w $warn1,$warn5,$warn15 -c $crit1,$crit5,$crit15"
+echo "command[check_load]=$path -w $warn1,$warn5,$warn15 -c $crit1,$crit5,$crit15"