diff --git a/phpgwapi/inc/class.asyncservice.inc.php b/phpgwapi/inc/class.asyncservice.inc.php
index 4685178449..18c8d26d0d 100644
--- a/phpgwapi/inc/class.asyncservice.inc.php
+++ b/phpgwapi/inc/class.asyncservice.inc.php
@@ -302,7 +302,7 @@ class asyncservice
 				if (!isset($found[$u]))		// we have to try the next one, if it exists
 				{
 					$nexts = array_keys($units);
-					if (!isset($next[count($found)-1]))
+					if (!isset($nexts[count($found)-1]))
 					{
 						if ($this->debug) echo "<p>Nothing found, exiting !!!</p>\n";
 						return False;