diff --git a/app/controllers/api/account.php b/app/controllers/api/account.php
index c6560ab22a..b25e61db1a 100644
--- a/app/controllers/api/account.php
+++ b/app/controllers/api/account.php
@@ -342,7 +342,7 @@ App::post('/v1/account/sessions/oauth2/callback/:provider/:projectId')
     ->label('docs', false)
     ->param('projectId', '', new Text(1024), 'Project ID.')
     ->param('provider', '', new WhiteList(\array_keys(Config::getParam('providers')), true), 'OAuth2 provider.')
-    ->param('code', '', new Text(1024), 'OAuth2 code.')
+    ->param('code', '', new Text(2048), 'OAuth2 code.')
     ->param('state', '', new Text(2048), 'Login state params.', true)
     ->inject('request')
     ->inject('response')
@@ -370,7 +370,7 @@ App::get('/v1/account/sessions/oauth2/:provider/redirect')
     ->label('abuse-key', 'ip:{ip}')
     ->label('docs', false)
     ->param('provider', '', new WhiteList(\array_keys(Config::getParam('providers')), true), 'OAuth2 provider.')
-    ->param('code', '', new Text(1024), 'OAuth2 code.')
+    ->param('code', '', new Text(2048), 'OAuth2 code.')
     ->param('state', '', new Text(2048), 'OAuth2 state params.', true)
     ->inject('request')
     ->inject('response')