diff --git a/fantom/opera/fantom-testnet-opera-pruned-traces.yml b/fantom/opera/fantom-testnet-opera-pruned-traces.yml
index b674ed41..5a57596d 100644
--- a/fantom/opera/fantom-testnet-opera-pruned-traces.yml
+++ b/fantom/opera/fantom-testnet-opera-pruned-traces.yml
@@ -8,6 +8,7 @@ services:
     stop_grace_period: 3m
     environment:
       - CACHE_SIZE=${FANTOM_CACHE_SIZE:-16000}
+      - IP=${IP}
     volumes:
       - "fantom-testnet-opera-pruned-traces:/datadir"
     expose:
diff --git a/fantom/scripts/entrypoint-testnet-fullnode.sh b/fantom/scripts/entrypoint-testnet-fullnode.sh
index 4184fb4c..90d3d126 100644
--- a/fantom/scripts/entrypoint-testnet-fullnode.sh
+++ b/fantom/scripts/entrypoint-testnet-fullnode.sh
@@ -32,6 +32,7 @@ exec opera \
     --ws.port=18544 \
     --ws.api=ftm,eth,debug,admin,web3,personal,net,txpool \
     --ws.origins="*" \
+    --nat=extip:${IP} \
     --nousb \
     --db.migration.mode reformat \
     --db.preset pbl-1 \