diff --git a/htdocs/cron/class/cronjob.class.php b/htdocs/cron/class/cronjob.class.php
index 6991891c5b8..e3235789d66 100644
--- a/htdocs/cron/class/cronjob.class.php
+++ b/htdocs/cron/class/cronjob.class.php
@@ -1068,9 +1068,16 @@ class Cronjob extends CommonObject
 				if ($result === false || (! is_bool($result) && $result != 0))
 				{
 				    $langs->load("errors");
-					dol_syslog(get_class($this)."::run_jobs END result=".$result." error=".$object->error, LOG_ERR);
-				    $this->error = $object->error?$object->error:$langs->trans('ErrorUnknown');
-					$this->lastoutput = ($object->output?$object->output."\n":"").$this->error;
+
+				    $errmsg='';
+				    if (! is_array($object->errors) || ! in_array($object->error, $object->errors)) $errmsg.=$object->error;
+				    if (is_array($object->errors) && count($object->errors)) $errmsg.=($errmsg?', '.$errmsg:'').join(', ',$object->errors);
+				    if (empty($errmsg)) $errmsg=$langs->trans('ErrorUnknown');
+
+				    dol_syslog(get_class($this)."::run_jobs END result=".$result." error=".$errmsg, LOG_ERR);
+
+				    $this->error = $errmsg;
+				    $this->lastoutput = ($object->output?$object->output."\n":"").$errmsg;
 					$this->lastresult = is_numeric($result)?$result:-1;
 		            $retval = $this->lastresult;
 		            $error++;