diff --git a/client/src/main/java/client/service/NonFunctionalShoppingListService.java b/client/src/main/java/client/service/NonFunctionalShoppingListService.java
index f5638ed..82dad5c 100644
--- a/client/src/main/java/client/service/NonFunctionalShoppingListService.java
+++ b/client/src/main/java/client/service/NonFunctionalShoppingListService.java
@@ -17,17 +17,17 @@ public class NonFunctionalShoppingListService extends ShoppingListService {
     }
 
     @Override
-    public void putIngredient(RecipeIngredient ingredient) {
+    public void putIngredient(FormalIngredient ingredient) {
         throw new NotImplementedException();
     }
 
     @Override
-    public void putIngredient(RecipeIngredient ingredient, Recipe recipe) {
+    public void putIngredient(FormalIngredient ingredient, Recipe recipe) {
         throw new NotImplementedException();
     }
 
     @Override
-    public void putIngredient(RecipeIngredient ingredient, String recipeName) {
+    public void putIngredient(FormalIngredient ingredient, String recipeName) {
         throw new NotImplementedException();
     }