diff --git a/lib/mail.php b/lib/mail.php
index 85b139f9e5..162669eaaa 100644
--- a/lib/mail.php
+++ b/lib/mail.php
@@ -189,6 +189,9 @@ function mail_broadcast_notice_sms($notice) {
 		}
 	}
 
+	$user->free();
+	unset($user);
+	
 	return true;
 }