diff --git a/src/main/java/org/betterx/bclib/recipes/AbstractSingleInputRecipeBuilder.java b/src/main/java/org/betterx/bclib/recipes/AbstractSingleInputRecipeBuilder.java
index 5e640eb0..962853c2 100644
--- a/src/main/java/org/betterx/bclib/recipes/AbstractSingleInputRecipeBuilder.java
+++ b/src/main/java/org/betterx/bclib/recipes/AbstractSingleInputRecipeBuilder.java
@@ -67,7 +67,7 @@ public abstract class AbstractSingleInputRecipeBuilder<T extends AbstractSingleI
             root.addProperty("group", group);
         }
 
-        root.add("result", ItemUtil.toJsonRecipe(output));
+        root.add("result", ItemUtil.toJsonRecipeWithNBT(output));
     }
 
     protected void setupAdvancementForResult() {
diff --git a/src/main/java/org/betterx/bclib/recipes/AnvilRecipe.java b/src/main/java/org/betterx/bclib/recipes/AnvilRecipe.java
index dd7af79a..38afd84a 100644
--- a/src/main/java/org/betterx/bclib/recipes/AnvilRecipe.java
+++ b/src/main/java/org/betterx/bclib/recipes/AnvilRecipe.java
@@ -247,7 +247,7 @@ public class AnvilRecipe implements Recipe<Container>, UnknownReceipBookCategory
         return "AnvilRecipe [" + id + "]";
     }
 
-    public static class Builder extends AbstractDoubleInputRecipeBuilder<Builder, AnvilRecipe> {
+    public static class Builder extends AbstractSingleInputRecipeBuilder<Builder, AnvilRecipe> {
         private int inputCount;
         private int toolLevel;
         private int anvilLevel;