diff --git a/Server/src/main/java/net/simon987/server/assembly/instruction/JaInstruction.java b/Server/src/main/java/net/simon987/server/assembly/instruction/JaInstruction.java
index 20dca0f..edb46a8 100644
--- a/Server/src/main/java/net/simon987/server/assembly/instruction/JaInstruction.java
+++ b/Server/src/main/java/net/simon987/server/assembly/instruction/JaInstruction.java
@@ -20,6 +20,11 @@ public class JaInstruction extends Instruction {
         this.cpu = cpu;
     }
 
+    public JaInstruction(String alias, CPU cpu) {
+        super(alias, OPCODE);
+        this.cpu = cpu;
+    }
+
     @Override
     public Status execute(Target src, int srcIndex, Status status) {
         if (!status.isCarryFlag() && !status.isZeroFlag()) {