diff --git a/src/network.sh b/src/network.sh
index 2f1d293..6ca703d 100644
--- a/src/network.sh
+++ b/src/network.sh
@@ -684,7 +684,7 @@ getInfo() {
 
   IP6=""
   # shellcheck disable=SC2143
-  if [ -f /proc/net/if_inet6 ] && [ -n "$(ifconfig -a | grep inet6)" ]; then
+  if [ -f /proc/net/if_inet6 ] && [[ "$(cat /proc/sys/net/ipv6/conf/all/disable_ipv6 2>/dev/null)" != "1" ]] && [ -n "$(ifconfig -a | grep inet6)" ]; then
     { IP6=$(ip -6 addr show dev "$VM_NET_DEV" scope global up); rc=$?; } 2>/dev/null || :
     (( rc != 0 )) && IP6=""
     [ -n "$IP6" ] && IP6=$(echo "$IP6" | sed -e's/^.*inet6 \([^ ]*\)\/.*$/\1/;t;d' | head -n 1)
diff --git a/src/server.sh b/src/server.sh
index 229a89d..61f34da 100644
--- a/src/server.sh
+++ b/src/server.sh
@@ -24,7 +24,7 @@ if [[ "${WEB:-}" != [Nn]* ]]; then
   sed -i "s/proxy_pass http:\/\/127.0.0.1:8004\/;/proxy_pass http:\/\/127.0.0.1:$WSD_PORT\/;/g" /etc/nginx/sites-enabled/web.conf
 
   # shellcheck disable=SC2143
-  if [ -f /proc/net/if_inet6 ] && [ -n "$(ifconfig -a | grep inet6)" ]; then
+  if [ -f /proc/net/if_inet6 ] && [[ "$(cat /proc/sys/net/ipv6/conf/all/disable_ipv6 2>/dev/null)" != "1" ]] && [ -n "$(ifconfig -a | grep inet6)" ]; then
 
     sed -i "s/listen $WEB_PORT default_server;/listen [::]:$WEB_PORT default_server ipv6only=off;/g" /etc/nginx/sites-enabled/web.conf