diff --git a/libethereum/Precompiled.cpp b/libethereum/Precompiled.cpp
index 780a8210f..f3c73ec75 100644
--- a/libethereum/Precompiled.cpp
+++ b/libethereum/Precompiled.cpp
@@ -81,7 +81,8 @@ void ripemd160Code(bytesConstRef _in, bytesRef _out)
 
 void identityCode(bytesConstRef _in, bytesRef _out)
 {
-	_in.copyTo(_out);
+	bytes b = _in.toBytes();
+	memcpy(_out.data(), b.data(), min(_out.size(), b.size()));
 }
 
 }