diff --git a/docker/services.opt/wireguard b/docker/services.opt/wireguard
index 067c432..4e2bc13 100644
--- a/docker/services.opt/wireguard
+++ b/docker/services.opt/wireguard
@@ -21,3 +21,4 @@
     sysctls:
       - net.ipv4.conf.all.src_valid_mark=1
       - net.ipv4.conf.all.rp_filter=2
+      - net.ipv6.conf.wg0.disable_ipv6=1