diff --git a/install_postfixadmin.sh b/install_postfixadmin.sh
index 82014b4..8da0d72 100755
--- a/install_postfixadmin.sh
+++ b/install_postfixadmin.sh
@@ -246,8 +246,8 @@ DOMAIN="${MAIN_DOMAIN}.$TLD"
 
 [[ -n "$WEBMASTER_EMAIL" ]] || WEBMASTER_EMAIL="admin@${MAIN_DOMAIN}.$TLD"
 
-[[ -n "$IPV4" ]] || fatal  "IPv4 Address (IPV4) not present!"
-[[ -n "$IPV6" ]] || fatal  "IPv4 Address (IPV6) not present!"
+[[ -n "$IPV4" ]] || fatal  "IPv4 Address not present!"
+[[ -n "$IPV6" ]] || warn  "IPv6 Address not present!"
 
 [[ -n "$APACHE_DEBIAN_INSTALLATION" ]] || APACHE_DEBIAN_INSTALLATION=false
 [[ -n "$PHP_DEBIAN_INSTALLATION" ]] || PHP_DEBIAN_INSTALLATION=false