diff --git a/fuzzer/Fuzzer.java b/fuzzer/Fuzzer.java
index 9c854bf9427d708b03fe6db7de33413c2311b692..2e110573dce37a7d9ed14c8a2f6c0a83bd6ef0d2 100644
--- a/fuzzer/Fuzzer.java
+++ b/fuzzer/Fuzzer.java
@@ -21,7 +21,7 @@ public class Fuzzer {
             /* We just print one instruction.
                Hint: you might want to make use of the instruction
                grammar which is effectively encoded in Instruction.java */
-            pw.println("MOV R0 65535");
+            pw.println("MOV R0 0");
             pw.println("LDR R2 R0 0");
             pw.println("RET R2");