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-rw-r--r--src/main/java/gregtech/api/util/GT_SpawnEventHandler.java4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/main/java/gregtech/api/util/GT_SpawnEventHandler.java b/src/main/java/gregtech/api/util/GT_SpawnEventHandler.java
index 9063b1f7c9..0e29950dbd 100644
--- a/src/main/java/gregtech/api/util/GT_SpawnEventHandler.java
+++ b/src/main/java/gregtech/api/util/GT_SpawnEventHandler.java
@@ -9,12 +9,12 @@ import net.minecraft.tileentity.TileEntity;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.event.entity.living.LivingSpawnEvent.CheckSpawn;
-import java.util.ArrayList;
import java.util.List;
+import java.util.concurrent.CopyOnWriteArrayList;
public class GT_SpawnEventHandler {
- public static volatile List<int[]> mobReps = new ArrayList();
+ public static volatile List<int[]> mobReps = new CopyOnWriteArrayList<>();
public GT_SpawnEventHandler() {
MinecraftForge.EVENT_BUS.register(this);