From b02dc786ce2c36afc4c01c2f77bcc310a66db357 Mon Sep 17 00:00:00 2001
From: mezz <tehgeek@gmail.com>
Date: Thu, 26 Nov 2015 20:32:17 -0800
Subject: [PATCH] Remove duplicate categories in recipe list

---
 src/main/java/mezz/jei/util/RecipeMap.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/mezz/jei/util/RecipeMap.java b/src/main/java/mezz/jei/util/RecipeMap.java
index dd55c5392..0a4764f22 100644
--- a/src/main/java/mezz/jei/util/RecipeMap.java
+++ b/src/main/java/mezz/jei/util/RecipeMap.java
@@ -9,8 +9,10 @@
 
 import javax.annotation.Nonnull;
 import java.util.ArrayList;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 
 import net.minecraft.item.ItemStack;
 
@@ -37,7 +39,7 @@ public RecipeMap(final RecipeCategoryComparator recipeCategoryComparator) {
 
 	@Nonnull
 	public ImmutableList<IRecipeCategory> getRecipeCategories(@Nonnull ItemStack itemStack) {
-		List<IRecipeCategory> recipeCategories = new ArrayList<>();
+		Set<IRecipeCategory> recipeCategories = new HashSet<>();
 		for (String stackKey : getNamesWithWildcard(itemStack)) {
 			recipeCategories.addAll(categoryMap.get(stackKey));
 		}