diff --git a/templates/preview-image.html b/templates/preview-image.html
index 2e8b112d12..260af3eeb9 100644
--- a/templates/preview-image.html
+++ b/templates/preview-image.html
@@ -28,6 +28,6 @@
     <script src=/static/preview-image.js type=module defer></script>
   </head>
   <body>
-    <img src=/content/{{self.inscription_id}}></img>
+    <img src=/content/{{self.inscription_id}} alt='inscription {{self.inscription_id}}'>
   </body>
 </html>
