diff --git a/htdocs/projet/graph_opportunities.inc.php b/htdocs/projet/graph_opportunities.inc.php
index 97977406a48..bbb2b6f97d9 100644
--- a/htdocs/projet/graph_opportunities.inc.php
+++ b/htdocs/projet/graph_opportunities.inc.php
@@ -68,8 +68,8 @@ if (!empty($conf->global->PROJECT_USE_OPPORTUNITIES))
 
 	    $listofstatus = array_keys($listofoppstatus);
 		// Complete with values found into database and not into the dictionary
-	    foreach($valsamount as $key => $val) {
-	    	if (!in_array($key, $listofstatus)) {
+	    foreach ($valsamount as $key => $val) {
+	    	if (!in_array($key, $listofstatus) && $key) {
 	    		$listofstatus[] = $key;
 	    	}
 	    }