diff --git a/api/src/Accounts.php b/api/src/Accounts.php
index 0c87b74389..4c95ea67ff 100644
--- a/api/src/Accounts.php
+++ b/api/src/Accounts.php
@@ -1218,6 +1218,12 @@ class Accounts
 		{
 			$memberships[] = $primary_group;
 		}
+		// add a requested addtional group, eg. Teachers for smallpart
+		if (!empty($GLOBALS['auto_create_acct']['add_group']) &&
+			$this->get_type((int)$GLOBALS['auto_create_acct']['add_group']) === 'g')
+		{
+			$memberships[] = (int)$GLOBALS['auto_create_acct']['add_group'];
+		}
 		$data = array(
 			'account_lid'           => $account_lid,
 			'account_type'          => 'u',
diff --git a/api/src/Auth/Saml.php b/api/src/Auth/Saml.php
index 9230612dc0..b407efd6c7 100644
--- a/api/src/Auth/Saml.php
+++ b/api/src/Auth/Saml.php
@@ -555,9 +555,9 @@ class Saml implements BackendSSO
 		// check if affiliation is configured and attribute returned by IdP
 		$attr = $config['saml_affiliation'] === 'eduPersonAffiliation' ? self::eduPersonAffiliation : $config['saml_affiliation_oid'];
 		if (!empty($attr) && !empty($attrs[$attr]) && !empty($config['saml_affiliation_group']) && !empty($config['saml_affiliation_values']) &&
-			($gid = $GLOBALS['egw']->accounts->name2id($config['saml_affiliation_group'], 'account_id', 'g')))
+			($gid = $GLOBALS['egw']->accounts->name2id($config['saml_affiliation_group'], 'account_lid', 'g')))
 		{
-			if (!isset($auto_create_acct) && ($accout_id = $GLOBALS['egw']->accounts->name2id($username, 'account_id', 'u')))
+			if (!isset($auto_create_acct) && ($accout_id = $GLOBALS['egw']->accounts->name2id($username, 'account_lid', 'u')))
 			{
 				$memberships = $GLOBALS['egw']->accounts->memberships($accout_id, true);
 			}