diff --git a/auth/auth.go b/auth/auth.go
index f3744b6..bf6c568 100644
--- a/auth/auth.go
+++ b/auth/auth.go
@@ -112,8 +112,7 @@ func EncryptAndSave(auth *CachedAuth, username string, secretKey *[32]byte) erro
 
 func authenticate(c *protonmail.Client, cachedAuth *CachedAuth, username string) (openpgp.EntityList, error) {
 	auth, err := c.AuthRefresh(&cachedAuth.Auth)
-	// TODO: error code 2000/2001 'invalid input' happens since 09.2019
-	if apiErr, ok := err.(*protonmail.APIError); ok && (apiErr.Code == 10013 || apiErr.Code == 2000 || apiErr.Code == 2001) {
+	if apiErr, ok := err.(*protonmail.APIError); ok && apiErr.Code == 10013 {
 		// Invalid refresh token, re-authenticate
 		authInfo, err := c.AuthInfo(username)
 		if err != nil {
diff --git a/protonmail/auth.go b/protonmail/auth.go
index dd09fe3..c241a39 100644
--- a/protonmail/auth.go
+++ b/protonmail/auth.go
@@ -163,6 +163,7 @@ func (c *Client) AuthRefresh(expiredAuth *Auth) (*Auth, error) {
 		RefreshToken: expiredAuth.RefreshToken,
 		ResponseType: "token",
 		GrantType:    "refresh_token",
+		RedirectURI:  "http://www.protonmail.ch",
 	}
 
 	req, err := c.newJSONRequest(http.MethodPost, "/auth/refresh", reqData)