diff --git a/CocktailWeb/Data/Cocktail.cs b/CocktailWeb/Data/Cocktail.cs
index bf014f1..02dc7bb 100644
--- a/CocktailWeb/Data/Cocktail.cs
+++ b/CocktailWeb/Data/Cocktail.cs
@@ -9,7 +9,13 @@
 
         public string? ImageURL { get; set; }
 
-        public int Counter { get; set; }
+        public int Counter { get; set; }        
+
+        public bool IsAlcoholic { get
+            {
+                return Cocktailflaschen.Any(f => f.Flasche.Alkoholisch);
+            } 
+        }
 
         public List<CocktailFlasche> Cocktailflaschen { get; set; } = new();
     }