diff --git a/data/hooks/conf_regen/43-dnsmasq b/data/hooks/conf_regen/43-dnsmasq
index 78402cdcf..897adf19b 100644
--- a/data/hooks/conf_regen/43-dnsmasq
+++ b/data/hooks/conf_regen/43-dnsmasq
@@ -19,7 +19,7 @@ cd /usr/share/yunohost/templates/dnsmasq
 ip=$(curl -s -4 https://ip.yunohost.org 2>/dev/null || echo '0.0.0.0')
 
 # Get IPv6 IP address
-ipv6=$(curl -s -6 http://ip6.yunohost.org 2>/dev/null)
+ipv6=$(curl -s -6 http://ip6.yunohost.org 2>/dev/null || echo '')
 
 sudo mkdir -p /etc/dnsmasq.d