diff --git a/cmd/minikube/cmd/root.go b/cmd/minikube/cmd/root.go
index 785a2db36b..47a91848c4 100644
--- a/cmd/minikube/cmd/root.go
+++ b/cmd/minikube/cmd/root.go
@@ -107,7 +107,9 @@ func Execute() {
 		profile := ""
 		for i, a := range os.Args {
 			if a == "--context" {
-				profile = fmt.Sprintf("--profile=%s", os.Args[i+1])
+				if len(os.Args) > i+1 {
+					profile = fmt.Sprintf("--profile=%s", os.Args[i+1])
+				}
 				break
 			} else if strings.HasPrefix(a, "--context=") {
 				context := strings.Split(a, "=")[1]
diff --git a/hack/benchmark/cpu_usage/auto_pause/chart.go b/hack/benchmark/cpu_usage/auto_pause/chart.go
index 53ebf9b8bc..56b97796ed 100644
--- a/hack/benchmark/cpu_usage/auto_pause/chart.go
+++ b/hack/benchmark/cpu_usage/auto_pause/chart.go
@@ -54,10 +54,10 @@ func main() {
 
 func execute() error {
 	// sessionID is generated and used at cpu usage benchmark
-	sessionID := os.Args[1]
-	if len(sessionID) == 0 {
+	if len(os.Args) <= 1 || len(os.Args[1]) == 0 {
 		return errors.New("Please identify sessionID")
 	}
+	sessionID := os.Args[1]
 
 	// Create plot instance
 	p := plot.New()
diff --git a/hack/benchmark/cpu_usage/idle_only/chart.go b/hack/benchmark/cpu_usage/idle_only/chart.go
index e06138b322..c7058894eb 100644
--- a/hack/benchmark/cpu_usage/idle_only/chart.go
+++ b/hack/benchmark/cpu_usage/idle_only/chart.go
@@ -53,10 +53,10 @@ func main() {
 
 func execute() error {
 	// sessionID is generated and used at cpu usage benchmark
-	sessionID := os.Args[1]
-	if len(sessionID) == 0 {
+	if len(os.Args) <= 1 || len(os.Args[1]) == 0 {
 		return errors.New("Please identify sessionID")
 	}
+	sessionID := os.Args[1]
 
 	// Create plot instance
 	p := plot.New()