diff --git a/htdocs/societe/card.php b/htdocs/societe/card.php
index 885d699b096..31328706271 100644
--- a/htdocs/societe/card.php
+++ b/htdocs/societe/card.php
@@ -1370,7 +1370,7 @@ else
                 print "\n";
                 print '<script language="JavaScript" type="text/javascript">';
                 print "function CheckVAT(a) {\n";
-                print "newpopup('".DOL_URL_ROOT."/societe/checkvat/checkVatPopup.php?vatNumber='+a,'".dol_escape_js($langs->trans("VATIntraCheckableOnEUSite"))."',500,300);\n";
+                print "newpopup('".DOL_URL_ROOT."/societe/checkvat/checkVatPopup.php?vatNumber='+a,'".dol_escape_js($langs->trans("VATIntraCheckableOnEUSite"))."',520,340);\n";
                 print "}\n";
                 print '</script>';
                 print "\n";