diff --git a/Server/src/main/java/net/simon987/server/assembly/instruction/IncInstruction.java b/Server/src/main/java/net/simon987/server/assembly/instruction/IncInstruction.java
index 952a1d2..23a5403 100644
--- a/Server/src/main/java/net/simon987/server/assembly/instruction/IncInstruction.java
+++ b/Server/src/main/java/net/simon987/server/assembly/instruction/IncInstruction.java
@@ -7,7 +7,7 @@ import net.simon987.server.assembly.Util;
 
 public class IncInstruction extends Instruction {
 
-    public static final int OPCODE = 43;
+    public static final int OPCODE = 42;
 
     public IncInstruction() {
         super("inc", OPCODE);