diff --git a/core/state_processor_test.go b/core/state_processor_test.go
index d175b5eac59a..9d6cbdbc8b52 100644
--- a/core/state_processor_test.go
+++ b/core/state_processor_test.go
@@ -132,6 +132,7 @@ func TestStateProcessorErrors(t *testing.T) {
 		bigNumber := new(big.Int).SetBytes(common.MaxHash.Bytes())
 		tooBigNumber := new(big.Int).Set(bigNumber)
 		tooBigNumber.Add(tooBigNumber, common.Big1)
+		gasLimit := blockchain.CurrentHeader().GasLimit
 		for i, tt := range []struct {
 			txs  []*types.Transaction
 			want string
@@ -157,9 +158,9 @@ func TestStateProcessorErrors(t *testing.T) {
 			},
 			{ // ErrGasLimitReached
 				txs: []*types.Transaction{
-					makeTx(key1, 0, common.Address{}, big.NewInt(0), 21000000, big.NewInt(875000000), nil),
+					makeTx(key1, 0, common.Address{}, big.NewInt(0), gasLimit+1, big.NewInt(875000000), nil),
 				},
-				want: "could not apply tx 0 [0xbd49d8dadfd47fb846986695f7d4da3f7b2c48c8da82dbc211a26eb124883de9]: gas limit reached",
+				want: "could not apply tx 0 [0xd0fb3ea181e800cd55c4637c55c1f2f78137efb6bb9723e50bda3cad97208db2]: gas limit reached",
 			},
 			{ // ErrInsufficientFundsForTransfer
 				txs: []*types.Transaction{
@@ -185,9 +186,9 @@ func TestStateProcessorErrors(t *testing.T) {
 			},
 			{ // ErrGasLimitReached
 				txs: []*types.Transaction{
-					makeTx(key1, 0, common.Address{}, big.NewInt(0), params.TxGas*1000, big.NewInt(875000000), nil),
+					makeTx(key1, 0, common.Address{}, big.NewInt(0), gasLimit+1, big.NewInt(875000000), nil),
 				},
-				want: "could not apply tx 0 [0xbd49d8dadfd47fb846986695f7d4da3f7b2c48c8da82dbc211a26eb124883de9]: gas limit reached",
+				want: "could not apply tx 0 [0xd0fb3ea181e800cd55c4637c55c1f2f78137efb6bb9723e50bda3cad97208db2]: gas limit reached",
 			},
 			{ // ErrFeeCapTooLow
 				txs: []*types.Transaction{
@@ -256,6 +257,12 @@ func TestStateProcessorErrors(t *testing.T) {
 			},
 			// ErrSetCodeTxCreate cannot be tested here: it is impossible to create a SetCode-tx with nil `to`.
 			// The EstimateGas API tests test this case.
+			{ // ErrGasLimitTooHigh
+				txs: []*types.Transaction{
+					makeTx(key1, 0, common.Address{}, big.NewInt(0), params.MaxTxGas+1, big.NewInt(875000000), nil),
+				},
+				want: "could not apply tx 0 [0x16505812a6da0b0150593e4d4eb90190ba64816a04b27d19ca926ebd6aff8aa0]: transaction gas limit too high (cap: 16777216, tx: 16777217)",
+			},
 		} {
 			block := GenerateBadBlock(gspec.ToBlock(), beacon.New(ethash.NewFaker()), tt.txs, gspec.Config, false)
 			_, err := blockchain.InsertChain(types.Blocks{block})
diff --git a/params/protocol_params.go b/params/protocol_params.go
index f52bb27380d6..3b48709a884d 100644
--- a/params/protocol_params.go
+++ b/params/protocol_params.go
@@ -28,7 +28,7 @@ const (
 	MaxGasLimit          uint64 = 0x7fffffffffffffff // Maximum the gas limit (2^63-1).
 	GenesisGasLimit      uint64 = 4712388            // Gas limit of the Genesis block.
 
-	MaxTxGas uint64 = 30_000_000 // Maximum transaction gas limit after eip-7825.
+	MaxTxGas uint64 = 1 << 24 // Maximum transaction gas limit after eip-7825 (16,777,216).
 
 	MaximumExtraDataSize  uint64 = 32    // Maximum size extra data may be after Genesis.
 	ExpByteGas            uint64 = 10    // Times ceil(log256(exponent)) for the EXP instruction.