diff --git a/src/view/chart.go b/src/view/chart.go
index 29c44b8..197d616 100644
--- a/src/view/chart.go
+++ b/src/view/chart.go
@@ -128,7 +128,7 @@ func (pie *Pie) Render(w io.Writer) error {
 	slices.SortFunc(pie.series, func(a, b opts.PieData) int {
 		return strings.Compare(a.Name, b.Name)
 	})
-	commonPrefixLen := 0
+	commonPrefixLen := -1
 	for i := 0; i < len(pie.series[0].Name) && i < len(pie.series[len(pie.series)-1].Name); i++ {
 		if pie.series[0].Name[i] != pie.series[len(pie.series)-1].Name[i] {
 			break
@@ -136,7 +136,7 @@ func (pie *Pie) Render(w io.Writer) error {
 		commonPrefixLen = i
 	}
 	for i := range pie.series {
-		pie.series[i].Name = pie.series[i].Name[commonPrefixLen:]
+		pie.series[i].Name = pie.series[i].Name[commonPrefixLen+1:]
 	}
 
 	pie.AddSeries("", pie.series)