diff --git a/test/coverage.html b/test/coverage.html
index e2abc706..df0e9781 100644
--- a/test/coverage.html
+++ b/test/coverage.html
@@ -87,6 +87,7 @@
     <script src="/test/modules/rectangle.js"></script>
     <script src="/test/modules/ajax-tiles.js"></script>
     <script src="/test/modules/imageloader.js"></script>
+    <script src="/test/modules/iiif.js"></script>
     <!-- The navigator tests are the slowest (for now; hopefully they can be sped up)
     so we put them last. -->
     <script src="/test/modules/navigator.js"></script>