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-rw-r--r--src/main/java/gregtech/api/metatileentity/MetaTileEntity.java2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/java/gregtech/api/metatileentity/MetaTileEntity.java b/src/main/java/gregtech/api/metatileentity/MetaTileEntity.java
index 87eee3e6ac..d9f90b06b7 100644
--- a/src/main/java/gregtech/api/metatileentity/MetaTileEntity.java
+++ b/src/main/java/gregtech/api/metatileentity/MetaTileEntity.java
@@ -696,7 +696,7 @@ public abstract class MetaTileEntity implements IMetaTileEntity {
@Override
public ItemStack decrStackSize(int aIndex, int aAmount) {
- ItemStack tStack = getStackInSlot(aIndex), rStack = GT_Utility.copy(tStack);
+ ItemStack tStack = getStackInSlot(aIndex), rStack = GT_Utility.copyOrNull(tStack);
if (tStack != null) {
if (tStack.stackSize <= aAmount) {
if (setStackToZeroInsteadOfNull(aIndex)) tStack.stackSize = 0;