diff --git a/mutants/mutant-3/swen90006/machine/Machine.java b/mutants/mutant-3/swen90006/machine/Machine.java
index 9bf57316d1c736ea2bd1c62bd6df3c6c0282f331..71e48327c4378a1aa5df992d2a231589650b4f40 100644
--- a/mutants/mutant-3/swen90006/machine/Machine.java
+++ b/mutants/mutant-3/swen90006/machine/Machine.java
@@ -1,4 +1,4 @@
-package swen90006.machine;
+package swen90006.machine;
 
 import java.util.Arrays;
 import java.util.List;
@@ -263,7 +263,8 @@ public class Machine
 	do_move(rd,offs);
       } else if (toks[0].equals(INSTRUCTION_JUMP)){
 	if (toks.length != 2){
-	  throw new InvalidInstructionException();
+	/* mutation  InvalidInstructionException()*/
+	  throw new NoReturnValueException();
 	}
 	int offs = parseOffset(toks[1]);
 	pc  = pc + offs;