diff --git a/mutants/mutant-5/swen90006/machine/Machine.java b/mutants/mutant-5/swen90006/machine/Machine.java
index 9bf57316d1c736ea2bd1c62bd6df3c6c0282f331..67353f75e4ab6006d62570e3c5a06cad2d585409 100644
--- a/mutants/mutant-5/swen90006/machine/Machine.java
+++ b/mutants/mutant-5/swen90006/machine/Machine.java
@@ -91,7 +91,7 @@ public class Machine
   }
 
   private void do_store(int a, int offs, int b)  {
-    if (regs[a] + offs > MAX_ADDR){
+    if (regs[a] + offs >= MAX_ADDR){
       /* no op */
     }else if(regs[a] + offs < 0){
       /* no op */