diff --git a/src/organisms/Carousel.svelte b/src/organisms/Carousel.svelte
index cc77419..bea19d4 100644
--- a/src/organisms/Carousel.svelte
+++ b/src/organisms/Carousel.svelte
@@ -174,7 +174,7 @@
                     on:click={openFullscreen}
                     role="tabpanel"
                     aria-label="Photo {index + 1} of {photos.length}"
-                    aria-hidden={index !== currentIndex}
+                    aria-hidden={index === currentIndex ? undefined : true}
                 >
                     <picture class="gallery__picture">
                         <source media="(min-width: 968px)" data-srcset={getThumbnail(image.private_hash, 1200)}>