1 files changed, 2 insertions, 2 deletions
diff --git a/src/main/java/gregtech/common/items/behaviors/Behaviour_Plunger_Item.java b/src/main/java/gregtech/common/items/behaviors/Behaviour_Plunger_Item.java
index 43a95fd2c7..ddb88b80c8 100644
--- a/src/main/java/gregtech/common/items/behaviors/Behaviour_Plunger_Item.java
+++ b/src/main/java/gregtech/common/items/behaviors/Behaviour_Plunger_Item.java
@@ -14,8 +14,8 @@ import net.minecraft.item.ItemStack;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraft.world.World;
 
+import java.util.HashMap;
 import java.util.List;
-import java.util.concurrent.ConcurrentHashMap;
 
 public class Behaviour_Plunger_Item extends Behaviour_None {
     private final int mCosts;
@@ -34,7 +34,7 @@ public class Behaviour_Plunger_Item extends Behaviour_None {
         if ((aTileEntity instanceof IGregTechTileEntity)) {
             IMetaTileEntity tMetaTileEntity = ((IGregTechTileEntity) aTileEntity).getMetaTileEntity();
             if ((tMetaTileEntity instanceof IMetaTileEntityItemPipe)) {
-                for (Object tTileEntity : GT_Utility.sortMapByValuesAcending(IMetaTileEntityItemPipe.Util.scanPipes((IMetaTileEntityItemPipe) tMetaTileEntity, new ConcurrentHashMap<IMetaTileEntityItemPipe, Long>(), 0L, false, true)).keySet())
+                for (Object tTileEntity : GT_Utility.sortMapByValuesAcending(IMetaTileEntityItemPipe.Util.scanPipes((IMetaTileEntityItemPipe) tMetaTileEntity, new HashMap<>(), 0L, false, true)).keySet())
 
                 {
                     int i = 0;