diff --git a/src/components/email/use-file-preview.ts b/src/components/email/use-file-preview.ts
index 0a9d9c2a..29a40b8b 100644
--- a/src/components/email/use-file-preview.ts
+++ b/src/components/email/use-file-preview.ts
@@ -224,6 +224,8 @@ export function useFilePreview(opts: {
           zipUnreadable: t('email_viewer.preview.archive_unreadable', "This archive can't be opened here."),
         }, colors.current);
         if (current()) setItem(next);
+        // Closed while the PDF was opening: end() ran before the document was.
+        else closePdfPages(local.uri);
       } catch (e) {
         if (!current()) return;
         close();