diff --git a/libevmasm/Assembly.cpp b/libevmasm/Assembly.cpp
index 2024b1e91..c78228192 100644
--- a/libevmasm/Assembly.cpp
+++ b/libevmasm/Assembly.cpp
@@ -123,7 +123,7 @@ ostream& Assembly::streamAsm(ostream& _out, string const& _prefix, StringMap con
 			_out << "  " << instructionInfo(i.instruction()).name  << "\t" << i.getJumpTypeAsString();
 			break;
 		case Push:
-			_out << "  PUSH " << hex << i.data();
+			_out << "  PUSH" << dec << max<unsigned>(1, dev::bytesRequired(i.data())) << " 0x" << hex << i.data();
 			break;
 		case PushString:
 			_out << "  PUSH \"" << m_strings.at((h256)i.data()) << "\"";