diff --git a/Zotlabs/Module/Inbox.php b/Zotlabs/Module/Inbox.php
index 8ce0492a7..ddb0a573b 100644
--- a/Zotlabs/Module/Inbox.php
+++ b/Zotlabs/Module/Inbox.php
@@ -187,7 +187,7 @@ class Inbox extends Controller {
 
 			switch ($AS->type) {
 				case 'Follow':
-					if ($AS->obj && ActivityStreams::is_an_actor($AS->obj['type'])) {
+					if ($AS->obj && array_key_exists('type', $AS->obj) && ActivityStreams::is_an_actor($AS->obj['type'])) {
 						// do follow activity
 						Activity::follow($channel,$AS);
 					}