diff --git a/src/photo/PhotoLightbox.tsx b/src/photo/PhotoLightbox.tsx
index f02f7124..dacfb487 100644
--- a/src/photo/PhotoLightbox.tsx
+++ b/src/photo/PhotoLightbox.tsx
@@ -1,3 +1,5 @@
+'use client';
+
 import { clsx } from 'clsx/lite';
 import { Photo } from '.';
 import { PhotoSetCategory } from '../category';