From 97fa8057baeb0900db54dd866bf8f8cb62beaf12 Mon Sep 17 00:00:00 2001
From: Anuken <arnukren@gmail.com>
Date: Sat, 5 Dec 2020 14:16:02 -0500
Subject: [PATCH] Fixed #3805

---
 core/src/mindustry/world/blocks/logic/LogicBlock.java | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/core/src/mindustry/world/blocks/logic/LogicBlock.java b/core/src/mindustry/world/blocks/logic/LogicBlock.java
index d8871484ff..a02a6864bf 100644
--- a/core/src/mindustry/world/blocks/logic/LogicBlock.java
+++ b/core/src/mindustry/world/blocks/logic/LogicBlock.java
@@ -318,9 +318,10 @@ public class LogicBlock extends Block{
 
                     //store any older variables
                     for(Var var : executor.vars){
-                        if(!var.constant){
+                        boolean unit = var.name.equals("@unit");
+                        if(!var.constant || unit){
                             BVar dest = asm.getVar(var.name);
-                            if(dest != null && !dest.constant){
+                            if(dest != null && (!dest.constant || unit)){
                                 dest.value = var.isobj ? var.objval : var.numval;
                             }
                         }