diff --git a/Ribbon/DataWriter.cs b/Ribbon/DataWriter.cs
index 249a713..8f54669 100644
--- a/Ribbon/DataWriter.cs
+++ b/Ribbon/DataWriter.cs
@@ -39,7 +39,6 @@ public static void WriteData()
             Range dataRange= ws.Range["A1:B101"];
             dataRange.Select();
             ws.Shapes.AddChart(XlChartType.xlLineMarkers).Select();
-            xlApp.ActiveChart.SetSourceData(Source: dataRange);
         }
     }
 }