diff --git a/ExpressionCompiler.cpp b/ExpressionCompiler.cpp
index 8877d9c05..cf6a01ec1 100644
--- a/ExpressionCompiler.cpp
+++ b/ExpressionCompiler.cpp
@@ -1075,7 +1075,13 @@ void ExpressionCompiler::appendExternalFunctionCall(FunctionType const& _functio
 		m_context << eth::Instruction::POP;
 	m_context << eth::Instruction::POP; // pop contract address
 
-	if (firstType)
+	if (_functionType.getLocation() == FunctionType::Location::RIPEMD160)
+	{
+		// fix: built-in contract returns right-aligned data
+		CompilerUtils(m_context).loadFromMemory(0, IntegerType(160), false, true);
+		appendTypeConversion(IntegerType(160), FixedBytesType(20));
+	}
+	else if (firstType)
 		CompilerUtils(m_context).loadFromMemory(0, *firstType, false, true);
 }