diff --git a/data/helpers.d/network b/data/helpers.d/network
index fc7eb3f69..0059702e9 100644
--- a/data/helpers.d/network
+++ b/data/helpers.d/network
@@ -17,7 +17,7 @@ ynh_normalize_url_path () {
 	# Manage arguments with getopts
 	ynh_handle_getopts_args "$@"
 
-	test -n "$path_url" || ynh_die "ynh_normalize_url_path expect a URL path as first argument and received nothing."
+	test -n "$path_url" || ynh_die --message="ynh_normalize_url_path expect a URL path as first argument and received nothing."
 	if [ "${path_url:0:1}" != "/" ]; then    # If the first character is not a /
 		path_url="/$path_url"    # Add / at begin of path variable
 	fi
@@ -40,7 +40,7 @@ ynh_find_port () {
 	# Manage arguments with getopts
 	ynh_handle_getopts_args "$@"
 
-	test -n "$port" || ynh_die "The argument of ynh_find_port must be a valid port."
+	test -n "$port" || ynh_die --message="The argument of ynh_find_port must be a valid port."
 	while netcat -z 127.0.0.1 $port       # Check if the port is free
 	do
 		port=$((port+1))	# Else, pass to next port