diff --git a/modeles/image.html b/modeles/image.html
index 438f0ca8744ff7112aca67317469c9632b5e23e4..9510169acea051a34cad86892a08d07b3c254d6f 100644
--- a/modeles/image.html
+++ b/modeles/image.html
@@ -11,7 +11,7 @@
 [(#TITRE|oui)#SET{image,#GET{image}|inserer_attribut{alt,#TITRE}|inserer_attribut{title,#TITRE}}]
 #SET{largeur,#GET{image}|largeur}
 <figure class='spip_document_#ID_DOCUMENT spip_documents spip_document_image[ spip_documents_(#ENV{align}|sinon{center})][ (#ENV{class})] spip_lien_ok' [ style='width:(#GET{largeur})px;']>
-[<a href="(#ENV{lien})"[ class="(#ENV{lien_class})"]>]
+[<a href="(#ENV{lien})"[ class="(#ENV{lien_class}|concat{#GET{autolien}|?{' mediabox'}})"]>]
 [(#ENV{lien}|non|et{#GET{autolien}})<a href="#URL_DOCUMENT" class="mediabox" type="#MIME_TYPE">]
 		#GET{image}
 [(#ENV{lien}|ou{#GET{autolien}}|?{</a>})]