diff --git a/website/src/lib/components/Menu.svelte b/website/src/lib/components/Menu.svelte
index a39160e8..5722a19b 100644
--- a/website/src/lib/components/Menu.svelte
+++ b/website/src/lib/components/Menu.svelte
@@ -565,6 +565,7 @@
             } else {
                 dbUtils.undo();
             }
+            e.preventDefault();
         } else if ((e.key === 'Backspace' || e.key === 'Delete') && (e.metaKey || e.ctrlKey)) {
             if (!targetInput) {
                 if (e.shiftKey) {