From 1e8317fbac4c8ce2509eac7a758f4f846c4c00d3 Mon Sep 17 00:00:00 2001
From: Anuken <arnukren@gmail.com>
Date: Fri, 18 Sep 2026 10:47:09 -0400
Subject: [PATCH] Fixed #12683

---
 core/src/mindustry/world/Build.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/src/mindustry/world/Build.java b/core/src/mindustry/world/Build.java
index 6d99b4e48a..7036ba204f 100644
--- a/core/src/mindustry/world/Build.java
+++ b/core/src/mindustry/world/Build.java
@@ -186,7 +186,7 @@ public class Build{
             return false;
         }
 
-        if(!state.rules.editor && checkCoreRadius){
+        if(!state.rules.editor && checkCoreRadius && !(!checkVisible && team == Team.derelict)){
             //find closest core, if it doesn't match the team, placing is not legal
             if(state.rules.polygonCoreProtection){
                 float mindst = Float.MAX_VALUE;