diff --git a/snippets/product-media-gallery.liquid b/snippets/product-media-gallery.liquid
index c985971..1d4bcda 100644
--- a/snippets/product-media-gallery.liquid
+++ b/snippets/product-media-gallery.liquid
@@ -97,7 +97,7 @@
             {% if product.selected_or_first_available_variant.featured_image.alt != media.alt and product.selected_or_first_available_variant.featured_image.alt != blank %}
             style="display: none;"
             {% endif %}
-            thumbnail-alt={{ media.alt }}>
+            thumbnail-alt-mobile={{ media.alt }}>
             {%- liquid
               assign media_position = media_position | default: 0 | plus: 1
               assign lazy_load = false