diff --git a/dokuwikiinstall b/dokuwikiinstall
index c826495..dfe4189 100755
--- a/dokuwikiinstall
+++ b/dokuwikiinstall
@@ -14,7 +14,12 @@ if [[ $(id -u) -ne 0 ]]; then echo "" && echo "Must be root or use sudo" && echo
 # Define variables and functions
 #
 hostname="$1"
-phpver=$(php -r 'echo PHP_MAJOR_VERSION.".".PHP_MINOR_VERSION;') ; phpfpm="php$phpver-fpm"
+
+#
+# Get php-fpm version
+#
+phpfpm=$(systemctl list-units --type=service --all | awk '/php[0-9]+\.[0-9]+-fpm/ {print $1; exit}' | sed 's/\.service//')
+if [[ -z "$phpfpm" ]]; then printf "\nUnable to detect php-fpm version. Is PHP-FPM installed?\n\n" ; exit 1 ; fi
 
 #
 # Function usage
@@ -72,13 +77,14 @@ chown -R www-data: "$wikidir"
 # Create a DokuWiki nginx configuration file
 #
 cp "$nginxsnippets/hostfiles/dokuwiki.80.conf" /etc/nginx/conf.d/"$hostname".conf
-sed -i "s/DOMAIN/$hostname/g" /etc/nginx/conf.d/"$hostname".conf
-sed -i "s/VERSION/$phpver/" /etc/nginx/conf.d/"$hostname".conf
+sed -i -- "s/DOMAIN/$hostname/g" /etc/nginx/conf.d/"$hostname".conf
+sed -i "s/PHPVERSION/$phpfpm/" /etc/nginx/conf.d/"$hostname".conf
 
 #
 # Restarting Nginx and Phpfpm for changes to take effect
 #
-systemctl restart "$phpfpm" ; systemctl restart nginx
+systemctl restart "$phpfpm"
+systemctl restart nginx
 
 #
 # Create postinstall script