diff --git a/install_httpd-2.4.sh b/install_httpd-2.4.sh
index fa951c3..192ff27 100755
--- a/install_httpd-2.4.sh
+++ b/install_httpd-2.4.sh
@@ -103,7 +103,7 @@ _BASE_WEBSPACE_DIR="/var/www"
 
 # - systemd supported by OS ?
 # -
-_systemd="$(which systemctl)"
+_systemd="$(which systemd)"
 _systemctl="$(which systemctl)"
 if [[ -z "$_systemd" ]] && [[ -z "$_systemctl" ]]; then
    SYSTEMD_SUPPORTED=false