diff --git a/htdocs/projet/class/project.class.php b/htdocs/projet/class/project.class.php
index b66452b2c5f..28c8cb656d1 100644
--- a/htdocs/projet/class/project.class.php
+++ b/htdocs/projet/class/project.class.php
@@ -6,6 +6,7 @@
  * Copyright (C) 2014-2017 Marcos García        <marcosgdf@gmail.com>
  * Copyright (C) 2017      Ferran Marcet        <fmarcet@2byte.es>
  * Copyright (C) 2019      Juanjo Menent        <jmenent@2byte.es>
+ * Copyright (C) 2022      Charlene Benke       <charlene@patas-monkey.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -1212,11 +1213,11 @@ class Project extends CommonObject
 		if (!empty($this->thirdparty_name)) {
 			$label .= ($label ? '<br>' : '').'<b>'.$langs->trans('ThirdParty').': </b>'.$this->thirdparty_name; // The space must be after the : to not being explode when showing the title in img_picto
 		}
-		if (!empty($this->dateo)) {
-			$label .= ($label ? '<br>' : '').'<b>'.$langs->trans('DateStart').': </b>'.dol_print_date($this->dateo, 'day'); // The space must be after the : to not being explode when showing the title in img_picto
+		if (!empty($this->date_start)) {
+			$label .= ($label ? '<br>' : '').'<b>'.$langs->trans('DateStart').': </b>'.dol_print_date($this->date_start, 'day'); // The space must be after the : to not being explode when showing the title in img_picto
 		}
-		if (!empty($this->datee)) {
-			$label .= ($label ? '<br>' : '').'<b>'.$langs->trans('DateEnd').': </b>'.dol_print_date($this->datee, 'day'); // The space must be after the : to not being explode when showing the title in img_picto
+		if (!empty($this->date_end)) {
+			$label .= ($label ? '<br>' : '').'<b>'.$langs->trans('DateEnd').': </b>'.dol_print_date($this->date_end, 'day'); // The space must be after the : to not being explode when showing the title in img_picto
 		}
 		if ($moreinpopup) {
 			$label .= '<br>'.$moreinpopup;
@@ -2073,7 +2074,7 @@ class Project extends CommonObject
 
 				$project_static->statut = $obj->status;
 				$project_static->opp_status = $obj->fk_opp_status;
-				$project_static->datee = $this->db->jdate($obj->datee);
+				$project_static->date_end = $this->db->jdate($obj->datee);
 
 				if ($project_static->hasDelay()) {
 					$response->nbtodolate++;
@@ -2155,13 +2156,13 @@ class Project extends CommonObject
 		if (!($this->statut == self::STATUS_VALIDATED)) {
 			return false;
 		}
-		if (!$this->datee && !$this->date_end) {
+		if (!$this->date_end) {
 			return false;
 		}
 
 		$now = dol_now();
 
-		return ($this->datee ? $this->datee : $this->date_end) < ($now - $conf->projet->warning_delay);
+		return ($this->date_end) < ($now - $conf->projet->warning_delay);
 	}