diff --git a/src/Lib/Activity.php b/src/Lib/Activity.php
index a50ddaae9..a9516d525 100644
--- a/src/Lib/Activity.php
+++ b/src/Lib/Activity.php
@@ -4813,11 +4813,10 @@ class Activity
                 if (isset($a['image'])) {
                     if (self::media_not_in_body($a['image'], $item['body']) && self::media_not_in_body($a['href'], $item['body'])) {
                         if (isset($a['name']) && $a['name']) {
-                            $alt = htmlspecialchars($a['name'], ENT_QUOTES, 'UTF-8', false);
                             // Escape brackets by converting to unicode full-width bracket since regular brackets will confuse multicode/bbcode parsing.
                             // The full width bracket isn't quite as alien looking as most other unicode bracket replacements.
                             // Do the same for double-quotes; which may present issues with the HTML purifier and when rendered as HTML attributes.
-                            $alt = str_replace(['[', ']', '\"', '"', '"'], ['［', '］', '＂', '＂', '＂'], $alt);
+                            $alt = str_replace(['[', ']', '\\"', '\"', '"', '"'], ['［', '］', '＂', '＂', '＂', '＂'], $a['name']);                            $alt = htmlspecialchars($alt, ENT_QUOTES, 'UTF-8', false);
                             $item['body'] .= "\n\n" . '[img alt="' . $alt . '"]' . $a['href'] . '[/img]';
                         } else {
                             $item['body'] .= "\n\n" . '[img]' . $a['href'] . '[/img]';
@@ -4827,10 +4826,10 @@ class Activity
                 }
                 elseif (self::media_not_in_body($a['href'], $item['body'])) {
                     if (isset($a['name']) && $a['name']) {
-                        $alt = htmlspecialchars($a['name'], ENT_QUOTES, 'UTF-8', false);
                         // Escape brackets by converting to unicode full-width bracket since regular brackets will confuse multicode/bbcode parsing.
                         // The full width bracket isn't quite as alien looking as most other unicode bracket replacements.
-                        $alt = str_replace(['[', ']', '\"', '"', '"'], ['［', '］', '＂', '＂', '＂'], $alt);
+                        // Do the same for double-quotes; which may present issues with the HTML purifier and when rendered as HTML attributes.
+                        $alt = str_replace(['[', ']', '\\"', '\"', '"', '"'], ['［', '］', '＂', '＂', '＂', '＂'], $a['name']);                        $alt = htmlspecialchars($alt, ENT_QUOTES, 'UTF-8', false);
                         $item['body'] .= "\n\n" . '[img alt="' . $alt . '"]' . $a['href'] . '[/img]';
                     } else {
                         $item['body'] .= "\n\n" . '[img]' . $a['href'] . '[/img]';