diff --git a/htdocs/cron/class/cronjob.class.php b/htdocs/cron/class/cronjob.class.php
index a84fa3109df..200cf8a369f 100644
--- a/htdocs/cron/class/cronjob.class.php
+++ b/htdocs/cron/class/cronjob.class.php
@@ -137,6 +137,11 @@ class Cronjob extends CommonObject
 	 */
 	public $processing;
 
+	/**
+	 * @var int The job current PID
+	 */
+	public $pid;
+
 	/**
 	 * @var int ID
 	 */
@@ -422,6 +427,7 @@ class Cronjob extends CommonObject
 		$sql .= " t.frequency,";
 		$sql .= " t.status,";
 		$sql .= " t.processing,";
+		$sql .= " t.pid,";
 		$sql .= " t.fk_user_author,";
 		$sql .= " t.fk_user_mod,";
 		$sql .= " t.note as note_private,";
@@ -470,6 +476,7 @@ class Cronjob extends CommonObject
 				$this->frequency = $obj->frequency;
 				$this->status = $obj->status;
 				$this->processing = $obj->processing;
+				$this->pid = $obj->pid;
 				$this->fk_user_author = $obj->fk_user_author;
 				$this->fk_user_mod = $obj->fk_user_mod;
 				$this->note_private = $obj->note_private;
@@ -530,6 +537,7 @@ class Cronjob extends CommonObject
 		$sql .= " t.frequency,";
 		$sql .= " t.status,";
 		$sql .= " t.processing,";
+		$sql .= " t.pid,";
 		$sql .= " t.fk_user_author,";
 		$sql .= " t.fk_user_mod,";
 		$sql .= " t.note as note_private,";
@@ -606,6 +614,7 @@ class Cronjob extends CommonObject
 					$line->frequency = $obj->frequency;
 					$line->status = $obj->status;
 					$line->processing = $obj->processing;
+					$line->pid = $obj->pid;
 					$line->fk_user_author = $obj->fk_user_author;
 					$line->fk_user_mod = $obj->fk_user_mod;
 					$line->note_private = $obj->note_private;
@@ -708,6 +717,10 @@ class Cronjob extends CommonObject
 			$this->processing = 0;
 		}
 
+		if (empty($this->pid)) {
+			$this->pid = NULL;
+		}
+
 		// Check parameters
 		// Put here code to add a control on parameters values
 		if (dol_strlen($this->datenextrun) == 0) {
@@ -773,6 +786,7 @@ class Cronjob extends CommonObject
 		$sql .= " frequency=".(isset($this->frequency) ? $this->frequency : "null").",";
 		$sql .= " status=".(isset($this->status) ? $this->status : "null").",";
 		$sql .= " processing=".((isset($this->processing) && $this->processing > 0) ? $this->processing : "0").",";
+		$sql .= " pid=".(isset($this->pid) ? $this->pid : "null").",";
 		$sql .= " fk_user_mod=".$user->id.",";
 		$sql .= " note=".(isset($this->note_private) ? "'".$this->db->escape($this->note_private)."'" : "null").",";
 		$sql .= " nbrun=".((isset($this->nbrun) && $this->nbrun > 0) ? $this->nbrun : "null").",";
@@ -925,6 +939,7 @@ class Cronjob extends CommonObject
 		$this->frequency = '';
 		$this->status = 0;
 		$this->processing = 0;
+		$this->pid = NULL;
 		$this->fk_user_author = 0;
 		$this->fk_user_mod = 0;
 		$this->note_private = '';
@@ -1125,6 +1140,7 @@ class Cronjob extends CommonObject
 		$this->lastoutput = '';
 		$this->lastresult = '';
 		$this->processing = 1; // To know job was started
+		$this->pid = dol_getmypid();
 		$this->nbrun = $this->nbrun + 1;
 		$result = $this->update($user); // This include begin/commit
 		if ($result < 0) {
@@ -1316,6 +1332,7 @@ class Cronjob extends CommonObject
 
 		$this->datelastresult = dol_now();
 		$this->processing = 0;
+		$this->pid = NULL;
 		$result = $this->update($user); // This include begin/commit
 		if ($result < 0) {
 			dol_syslog(get_class($this)."::run_jobs ".$this->error, LOG_ERR);