customfurniture.diff

diff --git a/CustomFurniture/CustomFurnitureMod.cs b/CustomFurniture/CustomFurnitureMod.cs
index b36f28c..74cfbf4 100644
--- a/CustomFurniture/CustomFurnitureMod.cs
+++ b/CustomFurniture/CustomFurnitureMod.cs
@@ -75,8 +75,8 @@ namespace CustomFurniture
 
             if (param[0] == "shop" && Game1.activeClickableMenu is ShopMenu shop)
             {
-                Dictionary<Item, int[]> items = Helper.Reflection.GetField<Dictionary<Item, int[]>>(shop, "itemPriceAndStock").GetValue();
-                List<Item> selling = Helper.Reflection.GetField<List<Item>>(shop, "forSale").GetValue();
+                Dictionary<ISalable, int[]> items = Helper.Reflection.GetField<Dictionary<ISalable, int[]>>(shop, "itemPriceAndStock").GetValue();
+                List<ISalable> selling = Helper.Reflection.GetField<List<ISalable>>(shop, "forSale").GetValue();
                 List<Item> remove = new List<Item>();
                 List<Item> additions = new List<Item>();
 
@@ -175,8 +175,8 @@ namespace CustomFurniture
             if (Game1.activeClickableMenu is ShopMenu)
             {
                 ShopMenu shop = (ShopMenu)Game1.activeClickableMenu;
-                Dictionary<Item, int[]> items = Helper.Reflection.GetField<Dictionary<Item, int[]>>(shop, "itemPriceAndStock").GetValue();
-                List<Item> selling = Helper.Reflection.GetField<List<Item>>(shop, "forSale").GetValue();
+                Dictionary<ISalable, int[]> items = Helper.Reflection.GetField<Dictionary<ISalable, int[]>>(shop, "itemPriceAndStock").GetValue();
+                List<ISalable> selling = Helper.Reflection.GetField<List<ISalable>>(shop, "forSale").GetValue();
                 int currency = Helper.Reflection.GetField<int>(shop, "currency").GetValue();
                 bool isCatalogue = (currency == 0 && selling.Count > 0 && selling[0] is Furniture);
                 string shopkeeper = "Robin";