diff --git a/application/Espo/Core/ExternalAccount/Clients/OAuth2Abstract.php b/application/Espo/Core/ExternalAccount/Clients/OAuth2Abstract.php
index 52c2bd230c..85dde19e73 100644
--- a/application/Espo/Core/ExternalAccount/Clients/OAuth2Abstract.php
+++ b/application/Espo/Core/ExternalAccount/Clients/OAuth2Abstract.php
@@ -155,7 +155,7 @@ abstract class OAuth2Abstract implements IClient
             $code = $r['code'];
         }
 
-        if ($code == 200) {
+        if ($code >= 200 && $code < 300) {
             return $r['result'];
         } else {
             $handledData = $this->handleErrorResponse($r);
diff --git a/application/Espo/Core/ExternalAccount/OAuth2/Client.php b/application/Espo/Core/ExternalAccount/OAuth2/Client.php
index 530d362b1c..eae1c8162b 100644
--- a/application/Espo/Core/ExternalAccount/OAuth2/Client.php
+++ b/application/Espo/Core/ExternalAccount/OAuth2/Client.php
@@ -233,7 +233,7 @@ class Client
         $params['grant_type'] = $grantType;
 
         $httpHeaders = array();
-        switch ($this->clientAuth) {
+        switch ($this->tokenType) {
             case self::AUTH_TYPE_URI:
             case self::AUTH_TYPE_FORM:
                 $params['client_id'] = $this->clientId;