diff --git a/themes/intotheeast/templates/partials/entry-journal.html.twig b/themes/intotheeast/templates/partials/entry-journal.html.twig
index 980766c..3c4dc78 100644
--- a/themes/intotheeast/templates/partials/entry-journal.html.twig
+++ b/themes/intotheeast/templates/partials/entry-journal.html.twig
@@ -30,7 +30,7 @@
     {% set firstImg = images|first %}
     {% set wrapRatio = firstImg.height > firstImg.width ? '4 / 5' : '4 / 3' %}
     <div class="journal-photo-wrap" style="aspect-ratio: {{ wrapRatio }}">
-        <div class="journal-photo-strip pswp-gallery" id="gallery-{{ entry.slug }}">
+        <div class="journal-photo-strip pswp-gallery" id="gallery-{{ entry.slug }}" data-slides="{{ images|length }}">
             {% for img in images %}
             <a class="journal-photo-slide"
                href="{{ img.url }}"