diff --git a/core/src/mindustry/world/blocks/logic/LogicBlock.java b/core/src/mindustry/world/blocks/logic/LogicBlock.java
index f0ce5122de..0f6e713350 100644
--- a/core/src/mindustry/world/blocks/logic/LogicBlock.java
+++ b/core/src/mindustry/world/blocks/logic/LogicBlock.java
@@ -523,8 +523,6 @@ public class LogicBlock extends Block{
             if(state.rules.disableWorldProcessors && privileged) return;
 
             if(enabled && executor.initialized()){
-                accumulator += edelta() * ipt;
-
                 if(accumulator > maxInstructionScale * ipt) accumulator = maxInstructionScale * ipt;
 
                 while(accumulator >= 1f){
@@ -535,6 +533,10 @@ public class LogicBlock extends Block{
                     }
                     accumulator --;
                 }
+
+                // Do not move in front of the loop, otherwise the curTime accumulated in WaitI
+                // may get out of sync with the accumulator increase.
+                accumulator += edelta() * ipt;
             }
         }