diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 2eab0a5fe38..1b0033f5d3f 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -1480,8 +1480,12 @@ class Form
                 $label = $objp->label;
                 if ($filterkey && $filterkey != '') $label=preg_replace('/('.preg_quote($filterkey).')/i','<strong>$1</strong>',$label,1);
 
-                $opt.=$objp->ref.' ('.$objp->ref_fourn.') - ';
-                $outval.=$objRef.' ('.$objRefFourn.') - ';
+                $opt.=$objp->ref;
+                if (! empty($objp->idprodfournprice)) $opt.=' ('.$objp->ref_fourn.')';
+                $opt.=' - ';
+                $outval.=$objRef;
+                if (! empty($objp->idprodfournprice)) $outval.=' ('.$objRefFourn.')';
+                $outval.=' - ';
                 $opt.=dol_trunc($objp->label,18).' - ';
                 $outval.=dol_trunc($label,18).' - ';
 
@@ -1532,7 +1536,7 @@ class Form
                     }
                 }
                 else
-                {
+              {
                     $opt.= $langs->trans("NoPriceDefinedForThisSupplier");
                     $outval.=$langs->transnoentities("NoPriceDefinedForThisSupplier");
                 }