[Nagiosplug-help] Nagios 2 writes wrong number of files

[Petr Hudeček]

Hello everybody,
I have problem with my script, here it is: 

#!/bin/sh

soubory=`find /home/yeti/Maildir/ -follow -type f | wc -l`

if [ $soubory -ge 1000 ]; then  

echo CRITICAL, number of files is $soubory
exit 2

fi

echo OK, number of files is $soubory
exit 0


When I run it  manually, it writes concrete number of files. But when Nagios runs it, there is always written 0. Could anyone help me? Thanks