diff --git a/CocktailWeb/Data/CocktailFlasche.cs b/CocktailWeb/Data/CocktailFlasche.cs
index 639943d..bff56aa 100644
--- a/CocktailWeb/Data/CocktailFlasche.cs
+++ b/CocktailWeb/Data/CocktailFlasche.cs
@@ -6,8 +6,8 @@
         public int Id { get; set; }
         public int CocktailID { get; set; }
         public int FlascheID { get; set; }
-        public Flasche Flasche { get; set; }
-        public Cocktail Cocktail { get; set; }
+        public Flasche Flasche { get; set; } = null!;
+        public Cocktail Cocktail { get; set; } = null!;
         public int Reihenfolge { get; set; }
         public int Menge { get; set; }
 
diff --git a/CocktailWeb/Pages/SerialTest.razor b/CocktailWeb/Pages/SerialTest.razor
index 816edd5..bfe5305 100644
--- a/CocktailWeb/Pages/SerialTest.razor
+++ b/CocktailWeb/Pages/SerialTest.razor
@@ -23,7 +23,7 @@
 
     bool Sending = false;
     bool Receiving = false;
-    public async Task SendData()
+    public void SendData()
     {
         if (Sending) return; // nichts senden, wenn bereits am Senden
         Sending = true;