diff --git a/plugins/php-fpm/php-fpm.plugin.zsh b/plugins/php-fpm/php-fpm.plugin.zsh
index 3c095058a..3d18e296f 100644
--- a/plugins/php-fpm/php-fpm.plugin.zsh
+++ b/plugins/php-fpm/php-fpm.plugin.zsh
@@ -1,6 +1,6 @@
 : ${FPM_DIR:=/etc/php5/fpm}
 
-if [ $use_sudo -eq 1 ]; then
+if [[ -e $( which -p sudo 2>&1 ) ]]; then
     sudo="sudo"
 else
     sudo=""