diff --git a/server/users.go b/server/users.go
index 979bd6b8ae..28df35855b 100644
--- a/server/users.go
+++ b/server/users.go
@@ -48,7 +48,7 @@ func (r *userRequest) ValidUpdate() error {
 	if r.Scheme != "" {
 		return fmt.Errorf("Cannot update Scheme")
 	}
-	if r.Roles == nil {
+	if len(r.Roles) == 0 {
 		return fmt.Errorf("No Roles to update")
 	}
 	return r.ValidRoles()