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--- a/net/minecraft/server/BlockJukeBox.java +++ b/net/minecraft/server/BlockJukeBox.java @@ -141,6 +141,11 @@ } public void setRecord(ItemStack itemstack) { + // CraftBukkit start - There can only be one + if (!itemstack.isEmpty()) { + itemstack.setCount(1); + } + // CraftBukkit end this.record = itemstack; this.update(); }