diff --git a/core/src/mindustry/world/blocks/ConstructBlock.java b/core/src/mindustry/world/blocks/ConstructBlock.java
index 9c04676fc1..226bcf1a07 100644
--- a/core/src/mindustry/world/blocks/ConstructBlock.java
+++ b/core/src/mindustry/world/blocks/ConstructBlock.java
@@ -19,6 +19,7 @@ import mindustry.graphics.*;
 import mindustry.type.*;
 import mindustry.ui.*;
 import mindustry.world.*;
+import mindustry.world.blocks.environment.*;
 import mindustry.world.blocks.storage.CoreBlock.*;
 import mindustry.world.modules.*;