diff --git a/TestHelper.cpp b/TestHelper.cpp
index 128318b8c..b29c5dc3a 100644
--- a/TestHelper.cpp
+++ b/TestHelper.cpp
@@ -240,7 +240,7 @@ byte toByte(json_spirit::mValue const& _v)
 
 bytes importByteArray(std::string const& _str)
 {
-	return fromHex(_str.substr(0, 2) == "0x" ? _str.substr(2) : _str, ThrowType::Throw);
+	return fromHex(_str.substr(0, 2) == "0x" ? _str.substr(2) : _str, WhenError::Throw);
 }
 
 bytes importData(json_spirit::mObject& _o)