diff --git a/templates/PhotosIndex.php b/templates/PhotosIndex.php
index 25255c5e..7fbdf552 100644
--- a/templates/PhotosIndex.php
+++ b/templates/PhotosIndex.php
@@ -100,7 +100,7 @@ class PhotosIndex extends Template
 		else
 			echo ' srcset="', $image->getThumbnailUrl($image->width(), $image->height(), true), ' 2x"';
 
-		echo ' alt="" title="', $image->getTitle(), '">';
+		echo ' alt="" title="', $image->getTitle(), '" style="aspect-ratio: ', $image->ratio(), '">';
 
 		if ($this->show_labels)
 			echo '