diff --git a/Sources/Web3Core/Contract/ContractProtocol.swift b/Sources/Web3Core/Contract/ContractProtocol.swift
index 43a4c1543..9b7257eb5 100755
--- a/Sources/Web3Core/Contract/ContractProtocol.swift
+++ b/Sources/Web3Core/Contract/ContractProtocol.swift
@@ -332,7 +332,7 @@ extension DefaultContractProtocol {
     }
 
     public func decodeInputData(_ data: Data) -> [String: Any]? {
-        guard data.count % 32 == 4 else { return nil }
+        guard data.count % 32 == 4 || data.count % 32 == 8 else { return nil }
         let methodSignature = data[data.startIndex ..< data.startIndex + 4].toHexString().addHexPrefix().lowercased()
 
         guard let function = methods[methodSignature]?.first else { return nil }
diff --git a/Sources/Web3Core/EthereumABI/ABIElements.swift b/Sources/Web3Core/EthereumABI/ABIElements.swift
index 5dca0b331..d034d3f8b 100755
--- a/Sources/Web3Core/EthereumABI/ABIElements.swift
+++ b/Sources/Web3Core/EthereumABI/ABIElements.swift
@@ -455,7 +455,7 @@ extension ABIDecoder {
             sig = nil
             data = Data()
             break
-        case 4:
+        case 4, 8:
             sig = rawData[0 ..< 4]
             data = Data(rawData[4 ..< rawData.count])
         default: