From 2431d82225f4798801c6d7b4c178908e22081416 Mon Sep 17 00:00:00 2001
From: SpaceToad <spacetoadcraft@gmail.com>
Date: Sat, 5 Apr 2014 15:33:37 +0200
Subject: [PATCH] fixed builder accepting items, fix #1555

---
 common/buildcraft/builders/TileBuilder.java | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/common/buildcraft/builders/TileBuilder.java b/common/buildcraft/builders/TileBuilder.java
index 7a851132..53bf7d70 100644
--- a/common/buildcraft/builders/TileBuilder.java
+++ b/common/buildcraft/builders/TileBuilder.java
@@ -586,8 +586,12 @@ public class TileBuilder extends TileAbstractBuilder implements IMachine, IBoxPr
 	}
 
 	@Override
-	public boolean isItemValidForSlot(int var1, ItemStack var2) {
-		return false;
+	public boolean isItemValidForSlot(int slot, ItemStack stack) {
+		if (slot == 0) {
+			return stack.getItem() instanceof ItemBlueprint;
+		} else {
+			return true;
+		}
 	}
 
 	@Override