1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/java/gregtech/common/gui/GT_Container_Regulator.java b/src/main/java/gregtech/common/gui/GT_Container_Regulator.java
index f432c9b5d5..f50ac2dae3 100644
--- a/src/main/java/gregtech/common/gui/GT_Container_Regulator.java
+++ b/src/main/java/gregtech/common/gui/GT_Container_Regulator.java
@@ -81,7 +81,7 @@ public class GT_Container_Regulator extends GT_ContainerMetaTile_Machine {
             if ((aSlotIndex < 19)) {
                 ItemStack tStack = aPlayer.inventory.getItemStack();
                 if (tStack != null) {
-                    tSlot.putStack(GT_Utility.copy(new Object[]{tStack}));
+                    tSlot.putStack(GT_Utility.copyOrNull(tStack));
                 } else if (tSlot.getStack() != null) {
                     if (aMouseclick == 0) {
                         tSlot.getStack().stackSize -= (aShifthold == 1 ? 8 : 1);