diff --git a/core/src/mindustry/ai/types/MinerAI.java b/core/src/mindustry/ai/types/MinerAI.java
index f9f04f45cc..64bddbd5f0 100644
--- a/core/src/mindustry/ai/types/MinerAI.java
+++ b/core/src/mindustry/ai/types/MinerAI.java
@@ -31,7 +31,7 @@ public class MinerAI extends AIController{
             //core full of the target item, do nothing
             if(targetItem != null && core.acceptStack(targetItem, 1, unit) == 0){
                 unit.clearItem();
-                unit.mineTile =null;
+                unit.mineTile = null;
                 return;
             }