diff --git a/src/main/java/carpet/mixins/CauldronBlock_stackableSBoxesMixin.java b/src/main/java/carpet/mixins/CauldronBlock_stackableSBoxesMixin.java
new file mode 100644
index 00000000..9341d69b
--- /dev/null
+++ b/src/main/java/carpet/mixins/CauldronBlock_stackableSBoxesMixin.java
@@ -0,0 +1,34 @@
+package carpet.mixins;
+
+import carpet.CarpetSettings;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.CauldronBlock;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.Hand;
+import net.minecraft.util.hit.BlockHitResult;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.World;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+import org.spongepowered.asm.mixin.injection.callback.LocalCapture;
+
+@Mixin(CauldronBlock.class)
+public class CauldronBlock_stackableSBoxesMixin
+{
+    @Inject(method = "activate", locals = LocalCapture.CAPTURE_FAILHARD, at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/item/ItemStack;hasTag()Z",
+            shift = At.Shift.BEFORE
+    ))
+    private void setSboxCount(BlockState state, World world, BlockPos pos, PlayerEntity player, Hand hand, BlockHitResult arg5, CallbackInfoReturnable<Boolean> cir,
+                              ItemStack itemStack, int i, Item item, Block block, ItemStack itemStack5)
+    {
+        if (CarpetSettings.stackableShulkerBoxes)
+            itemStack5.setCount(itemStack.getCount());
+    }
+}
diff --git a/src/main/resources/carpet.mixins.json b/src/main/resources/carpet.mixins.json
index bc07d103..226622f8 100644
--- a/src/main/resources/carpet.mixins.json
+++ b/src/main/resources/carpet.mixins.json
@@ -101,6 +101,7 @@
     "HopperBlockEntityMixin",
     "ContainerMixin",
     "ClientConnectionMixin",
+    "CauldronBlock_stackableSBoxesMixin",
     "ItemEntityMixin",
     "TntBlockMixin",
     "ExplosionMixin",