diff --git a/src/main/java/com/minelittlepony/unicopia/mixin/MixinMilkBucketItem.java b/src/main/java/com/minelittlepony/unicopia/mixin/MixinMilkBucketItem.java
new file mode 100644
index 00000000..9ce1ad77
--- /dev/null
+++ b/src/main/java/com/minelittlepony/unicopia/mixin/MixinMilkBucketItem.java
@@ -0,0 +1,23 @@
+package com.minelittlepony.unicopia.mixin;
+
+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 com.minelittlepony.unicopia.ability.magic.CasterUtils;
+import net.minecraft.entity.LivingEntity;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+import net.minecraft.item.MilkBucketItem;
+import net.minecraft.world.World;
+
+@Mixin(MilkBucketItem.class)
+abstract class MixinMilkBucketItem extends Item {
+    MixinMilkBucketItem() { super(null); }
+
+    @Inject(method = "finishUsing", at = @At("HEAD"), cancellable = true)
+    private void finishUsing(ItemStack stack, World world, LivingEntity entity, CallbackInfoReturnable<ItemStack> info) {
+        CasterUtils.toCaster(entity).ifPresent(c -> c.setSpell(null));
+    }
+}
diff --git a/src/main/resources/unicopia.mixin.json b/src/main/resources/unicopia.mixin.json
index 6ac39693..98adfcbc 100644
--- a/src/main/resources/unicopia.mixin.json
+++ b/src/main/resources/unicopia.mixin.json
@@ -11,6 +11,7 @@
     "MixinItemEntity",
     "MixinItems",
     "MixinLivingEntity",
+    "MixinMilkBucketItem",
     "MixinPlayerEntity",
     "MixinProjectileEntity",
     "MixinServerPlayerEntity",