diff --git a/services/user/user.go b/services/user/user.go
index 2287e36c716a..9aded62a51af 100644
--- a/services/user/user.go
+++ b/services/user/user.go
@@ -32,6 +32,10 @@ import (
 
 // RenameUser renames a user
 func RenameUser(ctx context.Context, u *user_model.User, newUserName string) error {
+	if newUserName == u.Name {
+		return nil
+	}
+
 	// Non-local users are not allowed to change their username.
 	if !u.IsOrganization() && !u.IsLocal() {
 		return user_model.ErrUserIsNotLocal{
@@ -40,10 +44,6 @@ func RenameUser(ctx context.Context, u *user_model.User, newUserName string) err
 		}
 	}
 
-	if newUserName == u.Name {
-		return nil
-	}
-
 	if err := user_model.IsUsableUsername(newUserName); err != nil {
 		return err
 	}