diff --git a/src/XF/Str/Formatter.php b/src/XF/Str/Formatter.php
index f55bd517f..abc7dd44a 100644
--- a/src/XF/Str/Formatter.php
+++ b/src/XF/Str/Formatter.php
@@ -219,7 +219,7 @@ class Formatter
if (!empty($smilie['image_url_2x']))
{
$url2x = htmlspecialchars($pather ? $pather($smilie['image_url_2x'], 'base') : $smilie['image_url_2x']);
- $srcSet = 'srcset="' . $url2x . ' 2x"';
+ $srcSet = 'srcset="' . $url . ' 1x, ' . $url2x . ' 2x"';
}
return '<img src="' . $url . '" ' . $srcSet . ' class="smilie" alt="' . $smilieText