diff --git a/specs/core/0_beacon-chain.md b/specs/core/0_beacon-chain.md
index cd4d09903..0bcc1174e 100644
--- a/specs/core/0_beacon-chain.md
+++ b/specs/core/0_beacon-chain.md
@@ -1691,6 +1691,7 @@ def process_deposit(state: BeaconState, deposit: Deposit) -> None:
             activation_epoch=FAR_FUTURE_EPOCH,
             exit_epoch=FAR_FUTURE_EPOCH,
             withdrawable_epoch=FAR_FUTURE_EPOCH,
+            effective_balance=min(amount - amount % EFFECTIVE_BALANCE_INCREMENT, MAX_EFFECTIVE_BALANCE),
         ))
         state.balances.append(amount)
     else: