diff --git a/test/libsolidity/util/BytesUtils.cpp b/test/libsolidity/util/BytesUtils.cpp
index 0d55a7920..af104e86e 100644
--- a/test/libsolidity/util/BytesUtils.cpp
+++ b/test/libsolidity/util/BytesUtils.cpp
@@ -208,21 +208,21 @@ string BytesUtils::formatRawBytes(
 	dev::solidity::test::ParameterList const& _parameters,
 	string _linePrefix)
 {
-	soltestAssert(
-		_bytes.size() == ContractABIUtils::encodingSize(_parameters),
-		"Got " + to_string(_bytes.size()) + " bytes, but expected " +
-		to_string(ContractABIUtils::encodingSize(_parameters)) + " bytes."
-	);
-
 	stringstream os;
+	ParameterList parameters;
 	auto it = _bytes.begin();
 
-	for (auto const& parameter: _parameters)
+	if (_bytes.size() != ContractABIUtils::encodingSize(_parameters))
+		parameters = ContractABIUtils::defaultParameters(ceil(_bytes.size() / 32));
+	else
+		parameters = _parameters;
+
+	for (auto const& parameter: parameters)
 	{
 		bytes byteRange{it, it + static_cast<long>(parameter.abiType.size)};
 
 		os << _linePrefix << byteRange;
-		if (&parameter != &_parameters.back())
+		if (&parameter != &parameters.back())
 			os << endl;
 
 		it += static_cast<long>(parameter.abiType.size);
@@ -279,16 +279,17 @@ string BytesUtils::formatBytesRange(
 	bool _highlight
 )
 {
-	soltestAssert(
-		_bytes.size() == ContractABIUtils::encodingSize(_parameters),
-		"Got " + to_string(_bytes.size()) + " bytes, but expected " +
-		to_string(ContractABIUtils::encodingSize(_parameters)) + " bytes."
-	);
-
 	stringstream os;
+	ParameterList parameters;
 	auto it = _bytes.begin();
 
-	for (auto const& parameter: _parameters)
+	if (_bytes.size() != ContractABIUtils::encodingSize(_parameters))
+		parameters = ContractABIUtils::defaultParameters(ceil(_bytes.size() / 32));
+	else
+		parameters = _parameters;
+
+
+	for (auto const& parameter: parameters)
 	{
 		bytes byteRange{it, it + static_cast<long>(parameter.abiType.size)};
 
@@ -301,7 +302,7 @@ string BytesUtils::formatBytesRange(
 		else
 			os << parameter.rawString;
 
-		if (&parameter != &_parameters.back())
+		if (&parameter != &parameters.back())
 			os << ", ";
 
 		it += static_cast<long>(parameter.abiType.size);
diff --git a/test/libsolidity/util/TestFunctionCall.cpp b/test/libsolidity/util/TestFunctionCall.cpp
index a63e02865..25b60a184 100644
--- a/test/libsolidity/util/TestFunctionCall.cpp
+++ b/test/libsolidity/util/TestFunctionCall.cpp
@@ -140,7 +140,11 @@ string TestFunctionCall::format(
 
 				string bytesOutput = abiParams ?
 					BytesUtils::formatRawBytes(output, abiParams.get(), _linePrefix) :
-					_linePrefix + "[]";
+					BytesUtils::formatRawBytes(
+						output,
+						ContractABIUtils::defaultParameters(ceil(output.size() / 32)),
+						_linePrefix
+					);
 
 				_errorReporter.warning(
 					"The call to \"" + m_call.signature + "\" returned \n" +