diff --git a/js/desktop/src/features/attachments/attachment-lightbox.tsx b/js/desktop/src/features/attachments/attachment-lightbox.tsx
index c851c90..85a57bc 100644
--- a/js/desktop/src/features/attachments/attachment-lightbox.tsx
+++ b/js/desktop/src/features/attachments/attachment-lightbox.tsx
@@ -63,8 +63,7 @@ export function AttachmentLightbox({
       : null;
   const isOpen = current !== null;
   const hasMultiple = items.length > 1;
-  // 1-based position for the "x / N" counter; null when nothing is open.
-  const position = openIndex !== null ? openIndex + 1 : null;
+  const positionIndicator = openIndex !== null ? openIndex + 1 : null;
 
   // Remote items resolve through the signed-URL cache; disabled when not remote.
   const remoteObjectId =
@@ -193,7 +192,7 @@ export function AttachmentLightbox({
                 )}
                 {hasMultiple && (
                   <span className="border-l border-white/10 pl-2 text-xs text-white/40">
-                    {position} / {items.length}
+                    {positionIndicator} / {items.length}
                   </span>
                 )}
               </div>