diff --git a/beacon-chain/entrypoint.sh b/beacon-chain/entrypoint.sh
index a166db4..c34fe12 100755
--- a/beacon-chain/entrypoint.sh
+++ b/beacon-chain/entrypoint.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-CHECKPOINT_SYNC_KEY="--initial-state"
+CHECKPOINT_SYNC_KEY="--checkpoint-sync-url"
 MEVBOOST_FLAG_KEYS="--builder-endpoint"
 
 # shellcheck disable=SC1091 # Path is relative to the Dockerfile
@@ -11,7 +11,7 @@ VALID_FEE_RECIPIENT=$(get_valid_fee_recipient "${FEE_RECIPIENT_ADDRESS}")
 MEVBOOST_FLAG=$(get_mevboost_flag "${NETWORK}" "${MEVBOOST_FLAG_KEYS}")
 
 if [ -n "${CHECKPOINT_SYNC_URL}" ]; then
-    TEKU_FORMAT_CHECKPOINT_URL="$(echo "${CHECKPOINT_SYNC_URL}" | sed 's:/*$::')/eth/v2/debug/beacon/states/finalized"
+    TEKU_FORMAT_CHECKPOINT_URL="$(echo "${CHECKPOINT_SYNC_URL}" | sed 's:/*$::')"
     CHECKPOINT_SYNC_FLAG=$(get_checkpoint_sync_flag "${CHECKPOINT_SYNC_KEY}" "${TEKU_FORMAT_CHECKPOINT_URL}")
 fi