diff --git a/update_daemon2.php b/update_daemon2.php
index d113fc956..ce6a3ee9c 100755
--- a/update_daemon2.php
+++ b/update_daemon2.php
@@ -47,6 +47,7 @@
 
 	function reap_children() {
 		global $children;
+		global $ctimes;
 
 		$tmp = array();