diff --git a/core/src/mindustry/logic/LExecutor.java b/core/src/mindustry/logic/LExecutor.java
index 485743a016..3b201e4809 100644
--- a/core/src/mindustry/logic/LExecutor.java
+++ b/core/src/mindustry/logic/LExecutor.java
@@ -21,7 +21,8 @@ public class LExecutor{
         varTime = 1;
 
     public static final int
-        maxGraphicsBuffer = 512,
+        maxGraphicsBuffer = 256,
+        maxDisplayBuffer = 512,
         maxTextBuffer = 256;
 
     public LInstruction[] instructions = {};
@@ -462,8 +463,10 @@ public class LExecutor{
             Building build = exec.building(target);
             if(build instanceof LogicDisplayBuild){
                 LogicDisplayBuild d = (LogicDisplayBuild)build;
-                for(int i = 0; i < exec.graphicsBuffer.size; i++){
-                    d.commands.addLast(exec.graphicsBuffer.items[i]);
+                if(d.commands.size + exec.graphicsBuffer.size < maxDisplayBuffer){
+                    for(int i = 0; i < exec.graphicsBuffer.size; i++){
+                        d.commands.addLast(exec.graphicsBuffer.items[i]);
+                    }
                 }
                 exec.graphicsBuffer.clear();
             }
diff --git a/core/src/mindustry/net/Administration.java b/core/src/mindustry/net/Administration.java
index bb6027e601..25fd12be89 100644
--- a/core/src/mindustry/net/Administration.java
+++ b/core/src/mindustry/net/Administration.java
@@ -19,13 +19,14 @@ import static mindustry.Vars.*;
 import static mindustry.game.EventType.*;
 
 public class Administration{
-    /** All player info. Maps UUIDs to info. This persists throughout restarts. */
+    public Seq<String> bannedIPs = new Seq<>();
+    public Seq<String> whitelist = new Seq<>();
+    public Seq<ChatFilter> chatFilters = new Seq<>();
+    public Seq<ActionFilter> actionFilters = new Seq<>();
+    public Seq<String> subnetBans = new Seq<>();
+
+    /** All player info. Maps UUIDs to info. This persists throughout restarts. Do not access directly. */
     private ObjectMap<String, PlayerInfo> playerInfo = new ObjectMap<>();
-    private Seq<String> bannedIPs = new Seq<>();
-    private Seq<String> whitelist = new Seq<>();
-    private Seq<ChatFilter> chatFilters = new Seq<>();
-    private Seq<ActionFilter> actionFilters = new Seq<>();
-    private Seq<String> subnetBans = new Seq<>();
     private IntIntMap lastPlaced = new IntIntMap();
 
     public Administration(){
diff --git a/core/src/mindustry/world/blocks/logic/LogicDisplay.java b/core/src/mindustry/world/blocks/logic/LogicDisplay.java
index ee3d53707a..6fe7e23e08 100644
--- a/core/src/mindustry/world/blocks/logic/LogicDisplay.java
+++ b/core/src/mindustry/world/blocks/logic/LogicDisplay.java
@@ -9,6 +9,7 @@ import arc.util.*;
 import mindustry.annotations.Annotations.*;
 import mindustry.gen.*;
 import mindustry.graphics.*;
+import mindustry.logic.*;
 import mindustry.world.*;
 
 public class LogicDisplay extends Block{
@@ -37,7 +38,7 @@ public class LogicDisplay extends Block{
         public FrameBuffer buffer;
         public float color = Color.whiteFloatBits;
         public float stroke = 1f;
-        public LongQueue commands = new LongQueue();
+        public LongQueue commands = new LongQueue(LExecutor.maxDisplayBuffer);
 
         @Override
         public void draw(){