1 files changed, 7 insertions, 0 deletions
diff --git a/src/main/java/me/shedaniel/rei/gui/widget/ItemSlotWidget.java b/src/main/java/me/shedaniel/rei/gui/widget/ItemSlotWidget.java
index 292f5e5f5..01eee72b2 100644
--- a/src/main/java/me/shedaniel/rei/gui/widget/ItemSlotWidget.java
+++ b/src/main/java/me/shedaniel/rei/gui/widget/ItemSlotWidget.java
@@ -9,6 +9,7 @@ import net.minecraft.client.gui.Drawable;
 import net.minecraft.client.render.GuiLighting;
 import net.minecraft.client.render.item.ItemRenderer;
 import net.minecraft.item.ItemStack;
+import net.minecraft.item.Items;
 import net.minecraft.util.Identifier;
 import net.minecraft.util.math.MathHelper;
 
@@ -90,9 +91,15 @@ public class ItemSlotWidget extends Drawable implements HighlightableWidget {
     }
     
     protected ItemStack getCurrentStack() {
+        if (itemList.size() == 0)
+            return new ItemStack(Items.AIR);
         return itemList.get(MathHelper.clamp((int) (System.currentTimeMillis() / 500) % itemList.size(), 0, itemList.size() - 1));
     }
     
+    public void setItemList(List<ItemStack> itemList) {
+        this.itemList = itemList;
+    }
+    
     @Override
     public Rectangle getBounds() {
         return new Rectangle(this.x, this.y, 18, 18);