1 files changed, 1 insertions, 1 deletions
diff --git a/chart.go b/chart.go
index 526544b..ed2efb6 100644
--- a/chart.go
+++ b/chart.go
@@ -848,7 +848,7 @@ func (f *File) addDrawingChart(sheet, drawingXML, cell string, width, height, rI
 	colStart, rowStart, _, _, colEnd, rowEnd, x2, y2 := f.positionObjectPixels(sheet, col, row, formatSet.OffsetX, formatSet.OffsetY, width, height)
 	content := encodeWsDr{}
 	content.WsDr.A = NameSpaceDrawingML
-	content.WsDr.Xdr = NameSpaceSpreadSheetDrawing
+	content.WsDr.Xdr = NameSpaceDrawingMLSpreadSheet
 	cNvPrID := 1
 	_, ok := f.XLSX[drawingXML]
 	if ok { // Append Model