diff --git a/include/api.php b/include/api.php
index 8a29c82dd8..52910d4727 100644
--- a/include/api.php
+++ b/include/api.php
@@ -4783,7 +4783,7 @@ function api_friendica_group_create($type)
 			intval($uid)
 		);
 		if (count($contact))
-			$result = Group::create_member($uid, $name, $cid, $gid);
+			$result = Group::addMember($gid, $cid);
 		else {
 			$erroraddinguser = true;
 			$errorusers[] = $cid;
@@ -4846,7 +4846,7 @@ function api_friendica_group_update($type)
 		);
 
 		if (count($contact)) {
-			$result = Group::create_member($uid, $name, $cid, $gid);
+			$result = Group::addMember($gid, $cid);
 		} else {
 			$erroraddinguser = true;
 			$errorusers[] = $cid;
diff --git a/mod/group.php b/mod/group.php
index ba7c24c56a..8a6e9309f1 100644
--- a/mod/group.php
+++ b/mod/group.php
@@ -174,7 +174,7 @@ function group_content(App $a) {
 			if (in_array($change, $preselected)) {
 				Group::removeMember($group['id'], $change);
 			} else {
-				Group::create_member(local_user(), $group['name'], $change);
+				Group::addMember($group['id'], $change);
 			}
 
 			$members = Contact::getByGroupId($group['id']);