diff --git a/etcdctl/ctlv2/command/util.go b/etcdctl/ctlv2/command/util.go
index d19cd40e384..c178abd9da2 100644
--- a/etcdctl/ctlv2/command/util.go
+++ b/etcdctl/ctlv2/command/util.go
@@ -104,7 +104,7 @@ func getDomainDiscoveryFlagValue(c *cli.Context) ([]string, error) {
 	// strip insecure connections
 	ret := []string{}
 	for _, ep := range eps {
-		if strings.HasPrefix("http://", ep) {
+		if strings.HasPrefix(ep, "http://") {
 			fmt.Fprintf(os.Stderr, "ignoring discovered insecure endpoint %q\n", ep)
 			continue
 		}
diff --git a/etcdctl/ctlv3/command/global.go b/etcdctl/ctlv3/command/global.go
index eb90f2a4fac..49a22037983 100644
--- a/etcdctl/ctlv3/command/global.go
+++ b/etcdctl/ctlv3/command/global.go
@@ -444,7 +444,7 @@ func endpointsFromFlagValue(cmd *cobra.Command) ([]string, error) {
 	// strip insecure connections
 	ret := []string{}
 	for _, ep := range eps {
-		if strings.HasPrefix("http://", ep) {
+		if strings.HasPrefix(ep, "http://") {
 			fmt.Fprintf(os.Stderr, "ignoring discovered insecure endpoint %q\n", ep)
 			continue
 		}