diff --git a/core/src/mindustry/world/blocks/ConstructBlock.java b/core/src/mindustry/world/blocks/ConstructBlock.java
index c99f36f36b..9c04676fc1 100644
--- a/core/src/mindustry/world/blocks/ConstructBlock.java
+++ b/core/src/mindustry/world/blocks/ConstructBlock.java
@@ -288,6 +288,9 @@ public class ConstructBlock extends Block{
             }
 
             progress = Mathf.clamp(progress - amount);
+            
+            // fast forward boulder deconstruction when visually already gone
+            if(progress <= 0.35f && previous instanceof Boulder) progress = 0;
 
             if(progress <= 0 || state.rules.infiniteResources){
                 if(lastBuilder == null) lastBuilder = builder;