diff --git a/classes/swen90006/machine/Machine.class b/classes/swen90006/machine/Machine.class
index bc67cdff3d66160515599de443f4aea563326bac..e8ad0e469a8f1238f60c863da1415d3ab8a51b74 100644
Binary files a/classes/swen90006/machine/Machine.class and b/classes/swen90006/machine/Machine.class differ
diff --git a/mutants/mutant-5/swen90006/machine/Machine.java b/mutants/mutant-5/swen90006/machine/Machine.java
index 27c8d4f78c91c09ab2825293be3ef28557af1925..b2fa4d123d8ee9bb24bd533b3f4d4a5181fd2dbc 100644
--- a/mutants/mutant-5/swen90006/machine/Machine.java
+++ b/mutants/mutant-5/swen90006/machine/Machine.java
@@ -82,7 +82,7 @@ public class Machine
 
   private void do_load(int dest, int src, int offs) {
     // Relational Operator Replacement
-    if (regs[src] + offs => MAX_ADDR){
+    if (regs[src] + offs >= MAX_ADDR){
       /* no op */
     }else if(regs[src] + offs < 0){
       /* no op */
diff --git a/src/swen90006/machine/Machine.java b/src/swen90006/machine/Machine.java
index 9bf57316d1c736ea2bd1c62bd6df3c6c0282f331..1e17b30304003071dff49f4156e7b988adcf9544 100644
--- a/src/swen90006/machine/Machine.java
+++ b/src/swen90006/machine/Machine.java
@@ -3,7 +3,7 @@ package swen90006.machine;
 import java.util.Arrays;
 import java.util.List;
 
-public class Machine 
+public class Machine
 {
   /** arithmetic instructions each take three registers as arguments with the
    *  destination register appearing first
@@ -12,13 +12,13 @@ public class Machine
   /** add rd rs1 rs2   =~   rd = rs1 + rs2 */
   public static final String INSTRUCTION_ADD = "add";
 
-  /** sub rd rs1 rs2   =~   rd = rs1 - rs2 */    
+  /** sub rd rs1 rs2   =~   rd = rs1 - rs2 */
   public static final String INSTRUCTION_SUBTRACT = "sub";
 
-  /** mul rd rs1 rs2   =~   rd = rs1 * rs2 */        
+  /** mul rd rs1 rs2   =~   rd = rs1 * rs2 */
   public static final String INSTRUCTION_MULT = "mul";
 
-  /** div rd rs1 rs2   =~   rd = rs1 / rs2 */            
+  /** div rd rs1 rs2   =~   rd = rs1 / rs2 */
   public static final String INSTRUCTION_DIVIDE = "div";
 
   /** ret rs           =~   return rs */
@@ -38,17 +38,17 @@ public class Machine
 
   /** jz ra offs       =~   if (ra == 0) pc = pc + offs else pc = pc + 1 */
   public static final String INSTRUCTION_JZ = "jz";
-    
+
   public static final int NUM_REGS = 32;
   public static final int MAX_REG = (NUM_REGS - 1);
   public static final int MEMORY_SIZE = 65536; /* 4 x as much memory as a 64 */
   public static final int MAX_ADDR = MEMORY_SIZE-1;
-    
+
   private int[] memory;
   private int[] regs;
 
   private int count = 0; /* counts number of instructions executed so far */
-    
+
   public Machine()
   {
     memory = new int[MEMORY_SIZE];
@@ -60,17 +60,17 @@ public class Machine
   {
     regs[dest] = regs[src1] + regs[src2];
   }
-    
+
   private void do_sub(int dest, int src1, int src2)
   {
     regs[dest] = regs[src1] - regs[src2];
   }
-    
+
   private void do_mult(int dest, int src1, int src2)
   {
     regs[dest] = regs[src1] * regs[src2];
   }
-    
+
   private void do_div(int dest, int src1, int src2)
   {
     if (regs[src2] == 0){
@@ -152,16 +152,16 @@ public class Machine
       throw new InvalidInstructionException();
     }
   }
-    
+
   /** Execute an assembly program.
    *
-   * @param prog is the program to execute as an iterable collection of strings, 
+   * @param prog is the program to execute as an iterable collection of strings,
    *        each of which is a single instruction.
    * @return the program's return value.
-   * @throws Exception when program has unrecognised or 
+   * @throws Exception when program has unrecognised or
    *         invalid instructions, or when it returns no result when it finishes
    */
-  int execute(List<String> instructions) 
+  int execute(List<String> instructions)
     throws InvalidInstructionException,
 	   NoReturnValueException
   {
@@ -180,7 +180,7 @@ public class Machine
 	break;
       }
       String inst = instructions.get(pc);
-      /* strip leading and trailing whitespace */ 
+      /* strip leading and trailing whitespace */
       inst = inst.toLowerCase().replaceAll("^\\s+","").replaceAll("\\s+$","");
       /* strip out any comments */
       String[] toks = inst.split(";");