diff --git a/plugins/OStatus/classes/Ostatus_profile.php b/plugins/OStatus/classes/Ostatus_profile.php
index e8ac16fb1d..c370462685 100644
--- a/plugins/OStatus/classes/Ostatus_profile.php
+++ b/plugins/OStatus/classes/Ostatus_profile.php
@@ -1281,8 +1281,8 @@ class Ostatus_profile extends Managed_DataObject
      */
     public function updateFromActivityObject(ActivityObject $object, array $hints=array())
     {
-        if (self::getActivityObjectProfileURI($actorObj) !== $this->getUri()) {
-            common_log(LOG_ERR, 'Trying to update profile with URI '._ve($this->getUri()).' from ActivityObject with URI: '._ve(self::getActivityObjectProfileURI($actorObj)));
+        if (self::getActivityObjectProfileURI($object) !== $this->getUri()) {
+            common_log(LOG_ERR, 'Trying to update profile with URI '._ve($this->getUri()).' from ActivityObject with URI: '._ve(self::getActivityObjectProfileURI($object)));
             // FIXME: Maybe not AuthorizationException?
             throw new AuthorizationException('Trying to update profile from ActivityObject with different URI.');
         }