diff --git a/e2e/etcd_spawn_cov.go b/e2e/etcd_spawn_cov.go
index c198c5377fd3..ca45a571efc2 100644
--- a/e2e/etcd_spawn_cov.go
+++ b/e2e/etcd_spawn_cov.go
@@ -105,7 +105,7 @@ func getCovArgs() ([]string, error) {
 
 func args2env(args []string) []string {
 	var covEnvs []string
-	for i := range args[1:] {
+	for i := range args {
 		if !strings.HasPrefix(args[i], "--") {
 			continue
 		}