diff --git a/core/src/mindustry/world/blocks/logic/LogicBlock.java b/core/src/mindustry/world/blocks/logic/LogicBlock.java
index f5dcaec18a..63d458b9aa 100644
--- a/core/src/mindustry/world/blocks/logic/LogicBlock.java
+++ b/core/src/mindustry/world/blocks/logic/LogicBlock.java
@@ -3,6 +3,7 @@ package mindustry.world.blocks.logic;
 import arc.Graphics.*;
 import arc.Graphics.Cursor.*;
 import arc.func.*;
+import arc.math.*;
 import arc.math.geom.*;
 import arc.scene.ui.layout.*;
 import arc.struct.Bits;
@@ -624,7 +625,7 @@ public class LogicBlock extends Block{
             write.i(0);
 
             if(privileged){
-                write.s(ipt);
+                write.s(Mathf.clamp(ipt, 1, maxInstructionsPerTick));
             }
         }
 
@@ -679,7 +680,7 @@ public class LogicBlock extends Block{
             });
 
             if(privileged && revision >= 2){
-                ipt = Math.max(read.s(), 1);
+                ipt = Mathf.clamp(read.s(), 1, maxInstructionsPerTick);
             }
 
         }