diff --git a/inclure/head.html b/inclure/head.html
index 960443d..e141ff9 100644
--- a/inclure/head.html
+++ b/inclure/head.html
@@ -28,4 +28,5 @@
 <meta property="og:title" content="Chapril : utilisez des services libres et éthiques"/>
 <meta property="og:type" content="article"/>
 <meta property="og:url" content="https://www.chapril.org"/>
+<meta property="og:image:alt" content="Bannière du Chapril"/>
 <meta property="og:image" content="https://www.chapril.org/sites/v2.chapril.org/squelettes/img/social-accueil.jpg"/>