diff --git a/include/transport/OAuth2.h b/include/transport/OAuth2.h
index c8612d17c1caa3cb8789c2a01f20e35d9ed667ca..1b4b012d253f677245b17c3c0b338e81862e47a4 100644
--- a/include/transport/OAuth2.h
+++ b/include/transport/OAuth2.h
@@ -39,7 +39,7 @@ class OAuth2 {
 			return m_state;
 		}
 
-		std::string requestToken(const std::string &code, std::string &error);
+		std::string requestToken(const std::string &code, std::string &token, std::string &bot_token);
 
 	private:
 		std::string m_clientId;