diff --git a/htdocs/core/modules/propale/mod_propale_marbre.php b/htdocs/core/modules/propale/mod_propale_marbre.php
index d14c176e08b..86a774da08d 100644
--- a/htdocs/core/modules/propale/mod_propale_marbre.php
+++ b/htdocs/core/modules/propale/mod_propale_marbre.php
@@ -68,7 +68,7 @@ class mod_propale_marbre extends ModeleNumRefPropales
 	 */
 	function canBeActivated()
 	{
-		global $conf,$langs;
+		global $conf,$langs,$db;
 
 		$pryymm=''; $max='';