diff --git a/Workshoppa/GameData/RecipeTree.cs b/Workshoppa/GameData/RecipeTree.cs
index 2107a2b..20bbfca 100644
--- a/Workshoppa/GameData/RecipeTree.cs
+++ b/Workshoppa/GameData/RecipeTree.cs
@@ -126,7 +126,7 @@ internal sealed class RecipeTree
                     continue;
 
                 Item? item = ingredient.Value;
-                if (item == null)
+                if (item == null || !IsValidItem(item.RowId))
                     continue;
 
                 Recipe? ingredientRecipe = GetFirstRecipeForItem(ingredient.Row);
@@ -194,9 +194,9 @@ internal sealed class RecipeTree
             .FirstOrDefault(x => x.RowId > 0 && x.Item.Row == itemId);
     }
 
-    public bool IsValidItem(uint itemId)
+    private static bool IsValidItem(uint itemId)
     {
-        return itemId != 0 && itemId != uint.MaxValue;
+        return itemId > 19 && itemId != uint.MaxValue;
     }
 
     private sealed class RecipeInfo : Ingredient
diff --git a/Workshoppa/Workshoppa.csproj b/Workshoppa/Workshoppa.csproj
index 6d8e7d2..87e0cd8 100644
--- a/Workshoppa/Workshoppa.csproj
+++ b/Workshoppa/Workshoppa.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Dalamud.NET.Sdk/9.0.2">
     <PropertyGroup>
-        <Version>6.1</Version>
+        <Version>6.2</Version>
         <OutputPath>dist</OutputPath>
     </PropertyGroup>