diff --git a/check_zombies_php-cgi.sh b/check_zombies_php-cgi.sh
index bf658aa..e8a085d 100755
--- a/check_zombies_php-cgi.sh
+++ b/check_zombies_php-cgi.sh
@@ -75,7 +75,7 @@ if [ -z "`which realpath`" ]; then
    fatal 'It seems "realpath" is not installed, but needed!'
 fi
 
-php_cgi=$(realpath $(which php-cgi))
+php_cgi=$(realpath $(which php-cgi)) > /dev/null 2>&1
 
 if [[ -z "$php_cgi" ]]; then
    if [[ -x "/usr/local/php/bin/php-cgi" ]]; then