diff --git a/base-fullnode.yml b/base-fullnode.yml
index 4a8e968a..473b25d3 100644
--- a/base-fullnode.yml
+++ b/base-fullnode.yml
@@ -76,6 +76,7 @@ services:
       - "OP_NODE_VERIFIER_L1_CONFS=4"
       - "OP_NODE_L1_RPC_KIND=${BASE_ETHEREUM_ENDPOINT_KIND:-basic}"
       - "OP_NODE_L1_TRUST_RPC=${BASE_ETHEREUM_ENDPOINT_TRUST:-false}"
+      - "OP_NODE_L1_BEACON=${BASE_ETHEREUM_ENDPOINT_BEACON}"
     networks:                                                                                         
       - chains