diff --git a/scripts/upgrade b/scripts/upgrade
index 1a4e326..45829be 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -95,7 +95,7 @@ fi
 
 if [ "${dns_over_https:-}" = true ]; then
 	# if DoH and DoQ are closed
-	if ! yunohost firewall list | grep -q " $port_dns_over_tls$" && ! yunohost firewall list | grep -q " $port_dns_over_quic$"; then
+	if ! yunohost firewall list | grep -q " $port_dns_over_tls$" || ! yunohost firewall list | grep -q " $port_dns_over_quic$"; then
 		ynh_print_info --message="Opening DoH and DoQ ports..."
 		ynh_exec_warn_less yunohost firewall allow Both "$port_dns_over_tls" --no-reload
 		ynh_exec_warn_less yunohost firewall allow UDP "$port_dns_over_quic"