diff --git a/main.go b/main.go
index 887381c..9c6f287 100644
--- a/main.go
+++ b/main.go
@@ -169,7 +169,7 @@ func widgetColors() {
 	LineColor := make(map[string]ui.Color)
 	if cpu.Count <= 8 {
 		for i := 0; i < len(cpu.Data); i++ {
-			LineColor[fmt.Sprintf("CPU%d", i+1)] = ui.Color(colorscheme.CPULines[i])
+			LineColor[fmt.Sprintf("CPU%d", i)] = ui.Color(colorscheme.CPULines[i])
 		}
 	} else {
 		LineColor["Average"] = ui.Color(colorscheme.CPULines[0])
diff --git a/widgets/cpu.go b/widgets/cpu.go
index b9ad437..e9be35b 100644
--- a/widgets/cpu.go
+++ b/widgets/cpu.go
@@ -25,7 +25,7 @@ func NewCPU(interval time.Duration, zoom int) *CPU {
 	self.Zoom = zoom
 	if self.Count <= 8 {
 		for i := 0; i < self.Count; i++ {
-			key := "CPU" + strconv.Itoa(i+1)
+			key := "CPU" + strconv.Itoa(i)
 			self.Data[key] = []float64{0}
 		}
 	} else {
@@ -48,7 +48,7 @@ func (self *CPU) update() {
 	if self.Count <= 8 {
 		percent, _ := psCPU.Percent(self.interval, true)
 		for i := 0; i < self.Count; i++ {
-			key := "CPU" + strconv.Itoa(i+1)
+			key := "CPU" + strconv.Itoa(i)
 			self.Data[key] = append(self.Data[key], percent[i])
 		}
 	} else {