diff --git a/mix/ContractCallDataEncoder.cpp b/mix/ContractCallDataEncoder.cpp
index 7a48263a0..f1283f433 100644
--- a/mix/ContractCallDataEncoder.cpp
+++ b/mix/ContractCallDataEncoder.cpp
@@ -163,7 +163,7 @@ dev::bytes ContractCallDataEncoder::decodeBytes(dev::bytes const& _rawValue)
 QString ContractCallDataEncoder::toString(dev::bytes const& _b)
 {
 	QString str;
-	if (isString(_b, str))
+	if (asString(_b, str))
 		return  "\"" + str +  "\" " + QString::fromStdString(dev::toJS(_b));
 	else
 		return QString::fromStdString(dev::toJS(_b));
@@ -206,7 +206,7 @@ QStringList ContractCallDataEncoder::decode(QList<QVariableDeclaration*> const&
 }
 
 
-bool ContractCallDataEncoder::isString(dev::bytes const& _b, QString& _str)
+bool ContractCallDataEncoder::asString(dev::bytes const& _b, QString& _str)
 {
 	dev::bytes bunPad = unpadded(_b);
 	for (unsigned i = 0; i < bunPad.size(); i++)
diff --git a/mix/ContractCallDataEncoder.h b/mix/ContractCallDataEncoder.h
index 178cdcdf8..e225158c7 100644
--- a/mix/ContractCallDataEncoder.h
+++ b/mix/ContractCallDataEncoder.h
@@ -66,7 +66,7 @@ private:
 	dev::bytes encodeBytes(QString const& _str);
 	dev::bytes decodeBytes(dev::bytes const& _rawValue);
 	QString toString(dev::bytes const& _b);
-	bool isString(dev::bytes const& _b, QString& _str);
+	bool asString(dev::bytes const& _b, QString& _str);
 
 private:
 	bytes m_encodedData;