diff --git a/htdocs/comm/propal/class/propal.class.php b/htdocs/comm/propal/class/propal.class.php
index c9dff023034..9dca1b1051d 100644
--- a/htdocs/comm/propal/class/propal.class.php
+++ b/htdocs/comm/propal/class/propal.class.php
@@ -1455,7 +1455,7 @@ class Propal extends CommonObject
 		if (empty($conf->global->MAIN_KEEP_REF_CUSTOMER_ON_CLONING)) {
 			$object->ref_client = '';
 		}
-		if ($conf->global->MAIN_DONT_KEEP_NOTE_ON_CLONING == 1) {
+		if (getDolGlobalInt('MAIN_DONT_KEEP_NOTE_ON_CLONING') == 1) {
 			$object->note_private = '';
 			$object->note_public = '';
 		}