diff --git a/src/main/java/de/ellpeck/actuallyadditions/mod/blocks/BlockAtomicReconstructor.java b/src/main/java/de/ellpeck/actuallyadditions/mod/blocks/BlockAtomicReconstructor.java
index 874195225..1c97be5a0 100644
--- a/src/main/java/de/ellpeck/actuallyadditions/mod/blocks/BlockAtomicReconstructor.java
+++ b/src/main/java/de/ellpeck/actuallyadditions/mod/blocks/BlockAtomicReconstructor.java
@@ -88,7 +88,7 @@ public class BlockAtomicReconstructor extends BlockContainerBase implements IHud
                 else{
                     ItemStack slot = reconstructor.getStackInSlot(0);
                     if(StackUtil.isValid(slot)){
-                        player.inventory.setInventorySlotContents(player.inventory.currentItem, slot.copy());
+                        player.setHeldItem(hand, slot.copy());
                         reconstructor.setInventorySlotContents(0, StackUtil.getNull());
                     }
                 }
diff --git a/src/main/java/de/ellpeck/actuallyadditions/mod/blocks/BlockCompost.java b/src/main/java/de/ellpeck/actuallyadditions/mod/blocks/BlockCompost.java
index 28f9b1910..45df9cabb 100644
--- a/src/main/java/de/ellpeck/actuallyadditions/mod/blocks/BlockCompost.java
+++ b/src/main/java/de/ellpeck/actuallyadditions/mod/blocks/BlockCompost.java
@@ -117,7 +117,7 @@ public class BlockCompost extends BlockContainerBase implements IHudDisplay{
                 }
                 else{
                     if(!StackUtil.isValid(stackPlayer)){
-                        player.inventory.setInventorySlotContents(player.inventory.currentItem, slot.copy());
+                        player.setHeldItem(hand, slot.copy());
                         compost.setInventorySlotContents(0, null);
                         return true;
                     }
@@ -125,7 +125,7 @@ public class BlockCompost extends BlockContainerBase implements IHudDisplay{
                         int addedStackSize = Math.min(StackUtil.getStackSize(slot), stackPlayer.getMaxStackSize()-StackUtil.getStackSize(stackPlayer));
                         ItemStack stackToAdd = stackPlayer.copy();
                         stackToAdd = StackUtil.addStackSize(stackToAdd, addedStackSize);
-                        player.inventory.setInventorySlotContents(player.inventory.currentItem, stackToAdd);
+                        player.setHeldItem(hand, stackToAdd);
                         compost.decrStackSize(0, addedStackSize);
                         return true;