diff --git a/Assembly.cpp b/Assembly.cpp
index 25895e1b7..d4f6c0a73 100644
--- a/Assembly.cpp
+++ b/Assembly.cpp
@@ -413,8 +413,8 @@ bytes Assembly::assemble() const
 			break;
 		}
 		case Tag:
-			ret.push_back((byte)Instruction::JUMPDEST);
 			tagPos[(unsigned)i.m_data] = ret.size();
+			ret.push_back((byte)Instruction::JUMPDEST);
 			break;
 		default:;
 		}