diff --git a/op-celo-alfajores-fullnode.yml b/op-celo-alfajores-fullnode.yml
index 5b867ac3..cd1bb7c4 100644
--- a/op-celo-alfajores-fullnode.yml
+++ b/op-celo-alfajores-fullnode.yml
@@ -54,7 +54,7 @@ services:
       - "39395:39395/udp"
     environment:
       - OP_NODE__RPC_ENDPOINT=${OP_CELO_ALFAJORES_HOLESKY_RPC:-https://ethereum-holesky-rpc.publicnode.com}
-      - OP_NODE__L1_BEACON=${OP_CELO_ALFAJORES_HOLESKY_BEACON_REST:-https://ethereum-holesky-beacon-api.publicnode.com
+      - OP_NODE__L1_BEACON=${OP_CELO_ALFAJORES_HOLESKY_BEACON_REST:-https://ethereum-holesky-beacon-api.publicnode.com}
       - OP_NODE__RPC_TYPE=basic
       - HEALTHCHECK__REFERENCE_RPC_PROVIDER=https://alfajores-forno.celo-testnet.org
       - PORT__OP_NODE_P2P=39395