diff --git a/fuzzer/Fuzzer.java b/fuzzer/Fuzzer.java
index f98fb2591c483e16a94fceb03750db90089171e7..9fd1976a67f1cb04d3da1aaf960ec6a33478da14 100644
--- a/fuzzer/Fuzzer.java
+++ b/fuzzer/Fuzzer.java
@@ -25,7 +25,7 @@ public class Fuzzer {
             pw.println("RET R0");
             */
             //pw.println("RET R-1");
-            pw.println("MOV R1 1");
+            pw.println("MOV R1 513");
             pw.println("SUB R0 R0 R1");
             pw.println("RET R0");
         }catch (Exception e){