diff --git a/core/state_processor.go b/core/state_processor.go
index 510d5fa1ab..7c396d5498 100644
--- a/core/state_processor.go
+++ b/core/state_processor.go
@@ -189,7 +189,13 @@ func ApplyTransactionWithEVM(msg *Message, gp *GasPool, statedb *state.StateDB,
 	} else {
 		root = statedb.IntermediateRoot(evm.ChainConfig().IsEIP158(blockNumber)).Bytes()
 	}
-	*usedGas += result.UsedGas
+	// EIP-7778: block gas accounting excludes refunds. Use MaxUsedGas
+	// (pre-refund gas) for Amsterdam, preserving post-refund for earlier forks.
+	if evm.ChainConfig().IsAmsterdam(blockNumber, blockTime) {
+		*usedGas += result.MaxUsedGas
+	} else {
+		*usedGas += result.UsedGas
+	}
 
 	// Merge the tx-local access event into the "block-local" one, in order to collect
 	// all values, so that the witness can be built.
diff --git a/internal/ethapi/simulate.go b/internal/ethapi/simulate.go
index deaaafadb0..c64b2508a2 100644
--- a/internal/ethapi/simulate.go
+++ b/internal/ethapi/simulate.go
@@ -300,7 +300,12 @@ func (sim *simulator) processBlock(ctx context.Context, block *simBlock, header,
 		} else {
 			root = sim.state.IntermediateRoot(sim.chainConfig.IsEIP158(blockContext.BlockNumber)).Bytes()
 		}
-		gasUsed += result.UsedGas
+		// EIP-7778: block gas accounting excludes refunds.
+		if sim.chainConfig.IsAmsterdam(blockContext.BlockNumber, blockContext.Time) {
+			gasUsed += result.MaxUsedGas
+		} else {
+			gasUsed += result.UsedGas
+		}
 		receipts[i] = core.MakeReceipt(evm, result, sim.state, blockContext.BlockNumber, common.Hash{}, blockContext.Time, tx, gasUsed, root)
 		blobGasUsed += receipts[i].BlobGasUsed
 		logs := tracer.Logs()