diff --git a/app/email_queue/resources/jobs/email_queue.php b/app/email_queue/resources/jobs/email_queue.php
index c5cd45d13b..9e1d3952eb 100644
--- a/app/email_queue/resources/jobs/email_queue.php
+++ b/app/email_queue/resources/jobs/email_queue.php
@@ -138,9 +138,8 @@
 
     //process the messages
     if (is_array($email_queue) && @sizeof($email_queue) != 0) {
-	$which_php = exec('which php');
         foreach($email_queue as $row) {
-            $command = $which_php." ".$_SERVER['DOCUMENT_ROOT']."/app/email_queue/resources/jobs/email_send.php ";
+            $command = PHP_BINARY." ".$_SERVER['DOCUMENT_ROOT']."/app/email_queue/resources/jobs/email_send.php ";
             $command .= "'action=send&email_queue_uuid=".$row["email_queue_uuid"]."&hostname=".$hostname."'";
             if (isset($debug)) {
                 //run process inline to see debug info