diff --git a/server/lib/classes/cron.inc.php b/server/lib/classes/cron.inc.php
index 48ca09373901eb3c1cfaf977bdfcf1248531db64..3a8ba2c6a63fd5010d87007b84e2d26bf52e5494 100644
--- a/server/lib/classes/cron.inc.php
+++ b/server/lib/classes/cron.inc.php
@@ -264,9 +264,10 @@ class cron {
 		if(!array_key_exists($sField, $this->_aValidValues)) return false;
 
 		reset($this->_aValidValues[$sField]);
-		while(($cur = each($this->_aValidValues[$sField])) !== false) {
-			if($bIncludeCurrent == true && $cur['value'] >= $iValue) return $cur['value'];
-			elseif($cur['value'] > $iValue) return $cur['value'];
+		
+		foreach($this->_aValidValues[$sField] as $key => $value) {
+		    if($bIncludeCurrent == true && $value >= $iValue) return $value;
+		    elseif($value > $iValue) return $value;
 		}
 		return reset($this->_aValidValues[$sField]);
 	}