diff --git a/Program.cs b/Program.cs
index 386d3b4..0f69f05 100644
--- a/Program.cs
+++ b/Program.cs
@@ -74,6 +74,10 @@ namespace creatureBirdDwarf
                 {
                     string responseFromServer = dataStream.ReadToEnd();
                     defaultList = JsonConvert.DeserializeObject<List<Card>>(responseFromServer);
+                    foreach (var card in defaultList)
+                    {
+                        card.prices = null;
+                    }
                     File.WriteAllText("./default.json", JsonConvert.SerializeObject(defaultList, Formatting.Indented));
                 }
             }