diff --git a/entrypoint.sh b/entrypoint.sh
index 423d9f9..b3cc25a 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -26,7 +26,7 @@ fi
 opts=(
 	dc_local_interfaces "[${BIND_IP:-0.0.0.0}]:${PORT:-25} ; [${BIND_IP6:-::0}]:${PORT:-25}"
 	dc_other_hostnames "${OTHER_HOSTNAMES}"
-	dc_relay_nets "$(ip addr show dev eth0 | awk '$1 == "inet" { print $2 }' | xargs | sed 's/ /:/g')${RELAY_NETWORKS}"
+	dc_relay_nets "$(ip addr show dev eth0 scope global | awk '$1 == "inet" || $1 == "inet6" { print $2 }' | xargs | sed 's/:/::/g' | sed 's/ /:/g')${RELAY_NETWORKS}"
 )
 
 if [ "$DISABLE_IPV6" ]; then