diff --git a/install.sh b/install.sh
index 6b23fcf..8e5e3e4 100755
--- a/install.sh
+++ b/install.sh
@@ -236,7 +236,7 @@ chmod 755 sbin/*
 cp sbin/* /usr/local/sbin/
 
 # enable http (port 80) and https (port 443) in the firewall
-[[ -d /etc/firewalld/ ]]; then
+if [[ -d /etc/firewalld/ ]]; then
   firewall-cmd --zone=public --add-service=http
   firewall-cmd --permanent --zone=public --add-service=http
   firewall-cmd --zone=public --add-service=https