diff --git a/specs/core/0_beacon-chain.md b/specs/core/0_beacon-chain.md
index 6ddfb0cca..07c75091d 100644
--- a/specs/core/0_beacon-chain.md
+++ b/specs/core/0_beacon-chain.md
@@ -1183,7 +1183,7 @@ def get_initial_beacon_state(initial_validator_deposits: List[Deposit],
         latest_randao_mixes=[ZERO_HASH for _ in range(LATEST_RANDAO_MIXES_LENGTH)],
         latest_vdf_outputs=[ZERO_HASH for _ in range(LATEST_RANDAO_MIXES_LENGTH // EPOCH_LENGTH)],
         prev_epoch_start_shard=0,
-        cur_epoch_start_shard=0,
+        cur_epoch_start_shard=GENESIS_START_SHARD,
         prev_epoch_calculation_slot=GENESIS_SLOT,
         cur_epoch_calculation_slot=GENESIS_SLOT,
         prev_epoch_randao_mix=ZERO_HASH,