diff --git a/htdocs/product/stats/card.php b/htdocs/product/stats/card.php
index 79d33b1d884..49b700b46ca 100644
--- a/htdocs/product/stats/card.php
+++ b/htdocs/product/stats/card.php
@@ -193,16 +193,19 @@ if (! empty($id) || ! empty($ref) || GETPOST('id') == 'all')
 		//print '<table width="100%">';
 
 		// Generation des graphs
-		$dir = (! empty($conf->product->multidir_temp[$object->entity])?$conf->product->multidir_temp[$object->entity]:$conf->service->multidir_temp[$object->entity]);
-		if (! file_exists($dir.'/'.$object->id))
+		if ($object->id > 0)  // We are on statistics for a dedicated product
 		{
-			if (dol_mkdir($dir.'/'.$object->id) < 0)
-			{
-				$mesg = $langs->trans("ErrorCanNotCreateDir",$dir);
-				$error++;
-			}
+    		$dir = (! empty($conf->product->multidir_temp[$object->entity])?$conf->product->multidir_temp[$object->entity]:$conf->service->multidir_temp[$object->entity]);
+    		if (! file_exists($dir.'/'.$object->id))
+    		{
+    			if (dol_mkdir($dir.'/'.$object->id) < 0)
+    			{
+    				$mesg = $langs->trans("ErrorCanNotCreateDir",$dir);
+    				$error++;
+    			}
+    		}
 		}
-
+		
 		$graphfiles=array(
 		'propal'           =>array('modulepart'=>'productstats_proposals',
 		'file' => $object->id.'/propal12m'.((string) $type != '' ? '_type'.$type : '').'_'.$mode.'.png',