diff --git a/MainWindow.axaml.cs b/MainWindow.axaml.cs
index 5f3f20c..60a780a 100644
--- a/MainWindow.axaml.cs
+++ b/MainWindow.axaml.cs
@@ -692,17 +692,18 @@ public partial class MainWindow : Window
         var file = await topLevel!.StorageProvider.SaveFilePickerAsync(new FilePickerSaveOptions
         {
             Title = "CSV-Datei speichern",
-            SuggestedFileName = "spplus_ergebnisse.json",
-            SuggestedFileType = new FilePickerFileType(".json-Datei")
+            SuggestedFileName = "spplus_ergebnisse.csv",
+            SuggestedFileType = new FilePickerFileType(".csv-Datei")
             {
-                Patterns = new[] { "*.json" }
+                Patterns = new[] { "*.csv" }
             }
             
         });
 
         if (file == null) return;
 
-        ExportUtility.ExportResultsToJson(file.Path.LocalPath);
+        //ExportUtility.ExportResultsToJson(file.Path.LocalPath);
+        ExportUtility.ExportToCSV(file.Path.LocalPath);
 
     }