diff --git a/siren.yml b/siren.yml
index 90724f37..0ff59a8b 100644
--- a/siren.yml
+++ b/siren.yml
@@ -22,6 +22,7 @@ services:
       - SSL_ENABLED=true
       - DEBUG=false
       - SIREN_PORT=${SIREN_PORT}
+      - NODE_OPTIONS="--dns-result-order=ipv4first"
     <<: *logging
     entrypoint:
       - docker-entrypoint.sh
diff --git a/siren/docker-entrypoint.sh b/siren/docker-entrypoint.sh
index cc775d8c..ad9f9297 100755
--- a/siren/docker-entrypoint.sh
+++ b/siren/docker-entrypoint.sh
@@ -10,5 +10,8 @@ fi
 API_TOKEN=$(cat /var/lib/lighthouse/validators/api-token.txt)
 export API_TOKEN
 
+# In case there are multiple consensus nodes, use the first one
+export BEACON_URL=${BEACON_URL%%,*}
+
 echo "Log into Siren at https://my-node-ip/${SIREN_PORT} with password ${SESSION_PASSWORD}"
 exec /app/docker-assets/docker-entrypoint.sh