diff --git a/ChangeLog b/ChangeLog
index 9f8e4697296..ddafb08d110 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,7 +2,9 @@
 English Dolibarr ChangeLog
 --------------------------------------------------------------
 
+***** ChangeLog for 3.3.3 compared to 3.3.2 *****
 
+- Fix: [ bug #903 ] Fatal error: Call to undefined function dol_get_first_day() in htdocs/commande/liste.php
 
 ***** ChangeLog for 3.3.2 compared to 3.3.1 *****
 
@@ -34,6 +36,7 @@ English Dolibarr ChangeLog
 - Fix: [ bug #788 ] Date of linked interventions are not shown
 - Fix: external users should not see costprice and margin infos
 - Fix: [ bug #806 ] Tasks are ordered alphabetically instead of chronological order
+
 ***** ChangeLog for 3.3.1 compared to 3.3 *****
 
 - Fix: [ bug #733 ] Mass emailing tools do not support <style HTML tag
diff --git a/htdocs/commande/liste.php b/htdocs/commande/liste.php
index 3bc807476e8..568bf26a160 100644
--- a/htdocs/commande/liste.php
+++ b/htdocs/commande/liste.php
@@ -27,6 +27,7 @@
 
 
 require '../main.inc.php';
+require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';
 require_once DOL_DOCUMENT_ROOT.'/commande/class/commande.class.php';