diff --git a/test/demo/iiif.html b/test/demo/iiif.html
index 29ed803a..5d978df3 100644
--- a/test/demo/iiif.html
+++ b/test/demo/iiif.html
@@ -25,7 +25,7 @@
         // debugMode: true,
         id: "contentDiv",
         prefixUrl: "../../build/openseadragon/images/",
-        tileSources: "https://iiif.wellcomecollection.org/image/V0021191/info.json",
+        tileSources: "http://wellcomelibrary.org/iiif-img/b11768265-0/a6801943-b8b4-4674-908c-7d5b27e70569/info.json",
         showNavigator:true
     });