diff --git a/params/protocol_params.go b/params/protocol_params.go
index f52bb27380..3b48709a88 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.