diff --git a/www/pages/synthese.php b/www/pages/synthese.php
index 322549699..4a2d81279 100644
--- a/www/pages/synthese.php
+++ b/www/pages/synthese.php
@@ -112,14 +112,17 @@ print synthese_tablerow($ratiosInfos, $dataEvol, $ratio);
 <br/>
 <?php
 //Affichage du graphique associé au ratio sélectionné
-if(count($tabRatio)==1){ ?>
+if(!empty($ratio))
+{
+?>
 	<div id="titreEvol"><b>Evolution</b></div>
 	<?php
 	
 	if( ($siret*1)==0 || ($siren*1)<100 ){ $fileName = 'synthese-'.$idEntreprise;}
 	else{ $fileName = 'synthese-'.$siret; }
-	if($ratio!=''){ $fileName.='-'.$ratio; }
-	if(count($dataEvol[$ratio])<=1){
+	$fileName.='-'.$typeBilan.'-'.$ratio;
+	if(count($dataEvol[$ratio])<=1)
+	{
 		print "Les informations sont insuffisantes pour générer la courbe d'évolution";
 	}else{?>
 		<img id="imgEvol" src="./imgcache/<?=$fileName.'.png'?>" />