diff --git a/htdocs/index.php b/htdocs/index.php
index fa02051eb36..68fce7df62d 100644
--- a/htdocs/index.php
+++ b/htdocs/index.php
@@ -118,7 +118,7 @@ if (getDolGlobalString('MAIN_MOTD')) {
  */
 
 // Specific warning to propose to upgrade invoice situation to progressive mode
-if (getDolGlobalInt('INVOICE_USE_SITUATION') == 1) {
+if (getDolGlobalInt('INVOICE_USE_SITUATION') == 1 && (float) DOL_VERSION >= 22.0) {
 	$langs->loadLangs(array("admin"));
 	print info_admin($langs->trans("WarningExperimentalFeatureInvoiceSituationNeedToUpgradeToProgressiveMode", 'https://partners.dolibarr.org'));
 	//print "<br>";