diff --git a/helper/policyutil/policyutil.go b/helper/policyutil/policyutil.go
index 31f2674d33..09fee92fd5 100644
--- a/helper/policyutil/policyutil.go
+++ b/helper/policyutil/policyutil.go
@@ -9,7 +9,7 @@ func ParsePolicies(policiesRaw string) []string {
 	policies := strings.Split(policiesRaw, ",")
 	defaultFound := false
 	for i, p := range policies {
-		policies[i] = strings.TrimSpace(p)
+		policies[i] = strings.ToLower(strings.TrimSpace(p))
 		// If 'root' policy is present, ignore all other policies.
 		if policies[i] == "root" {
 			policies = []string{"root"}