diff --git a/frontend/src/css/lightbox.css b/frontend/src/css/lightbox.css
index 9df5b9343..688f3c8da 100644
--- a/frontend/src/css/lightbox.css
+++ b/frontend/src/css/lightbox.css
@@ -188,6 +188,9 @@
 
 .pswp__img {
     -webkit-touch-callout: default;
+}
+
+.is-zoomable .pswp__img {
     cursor: zoom-in;
 }