diff --git a/pie_chart.go b/pie_chart.go
index cb8cd07..c5cfabf 100644
--- a/pie_chart.go
+++ b/pie_chart.go
@@ -143,6 +143,7 @@ func (pc PieChart) drawSlices(r Renderer, canvasBox Box, values []Value) {
 		pc.stylePieChartValue(0).WriteToRenderer(r)
 		r.MoveTo(cx, cy)
 		r.Circle(radius, cx, cy)
+		r.FillStroke()
 	} else {
 		for index, v := range values {
 			v.Style.InheritFrom(pc.stylePieChartValue(index)).WriteToRenderer(r)