diff --git a/Dockerfile b/Dockerfile
index 47b0abc..04c56a4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,7 @@ COPY jwtsecret.hex /jwtsecret
 
 ENTRYPOINT geth --http --http.addr 0.0.0.0 \
   --http.corsdomain "*" --http.vhosts "*" \
-  --syncmode ${SYNCMODE:-snap} --port ${P2P_PORT} \
+  --syncmode ${SYNCMODE:-snap} --port ${P2P_PORTS} \
   --metrics --metrics.addr 0.0.0.0 \
   --authrpc.addr 0.0.0.0 \
   --authrpc.port 8551 \
diff --git a/docker-compose.yml b/docker-compose.yml
index 0fbea93..53822bc 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -10,7 +10,7 @@ services:
       - "geth:/root/.ethereum"
     environment:
       - "EXTRA_OPTION=--http.api eth,engine,net,web3,txpool"
-      - P2P_PORT=30403
+      - P2P_PORTS=30403
       - SYNCMODE=snap
     ports:
       - "30403:30403/tcp"