diff --git a/qt/aqt/mediasrv.py b/qt/aqt/mediasrv.py
index 51b72e960..8598f59de 100644
--- a/qt/aqt/mediasrv.py
+++ b/qt/aqt/mediasrv.py
@@ -334,6 +334,7 @@ def is_sveltekit_page(path: str) -> bool:
         "import-anki-package",
         "import-csv",
         "import-page",
+        "image-occlusion",
     ]
 
 
diff --git a/ts/routes/image-occlusion/Toolbar.svelte b/ts/routes/image-occlusion/Toolbar.svelte
index cc2f58956..3effc177a 100644
--- a/ts/routes/image-occlusion/Toolbar.svelte
+++ b/ts/routes/image-occlusion/Toolbar.svelte
@@ -141,6 +141,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
 
     // initializes lastPosX and lastPosY because it is undefined in touchmove event
     function onTouchstart(event: TouchEvent) {
+        const canvas = globalThis.canvas;
         canvas.lastPosX = event.touches[0].clientX;
         canvas.lastPosY = event.touches[0].clientY;
     }