diff --git a/htdocs/projet/graph_opportunities.inc.php b/htdocs/projet/graph_opportunities.inc.php
index 7795981c4c3..cf8cc1dd34d 100644
--- a/htdocs/projet/graph_opportunities.inc.php
+++ b/htdocs/projet/graph_opportunities.inc.php
@@ -35,6 +35,7 @@ if (!empty($conf->global->PROJECT_USE_OPPORTUNITIES)) {
 		$num = $db->num_rows($resql);
 		$i = 0;
 
+		$total = 0;
 		$totalnb = 0;
 		$totaloppnb = 0;
 		$totalamount = 0;