diff --git a/lib/pages/chat/events/html_message.dart b/lib/pages/chat/events/html_message.dart
index 42a910b9e..f093d1090 100644
--- a/lib/pages/chat/events/html_message.dart
+++ b/lib/pages/chat/events/html_message.dart
@@ -34,6 +34,7 @@ class HtmlMessage extends StatelessWidget {
static const Set allowedHtmlTags = {
'font',
'del',
+ 's',
'h1',
'h2',
'h3',
@@ -412,6 +413,7 @@ class HtmlMessage extends StatelessWidget {
'strong' => const TextStyle(fontWeight: FontWeight.bold),
'em' || 'i' => const TextStyle(fontStyle: FontStyle.italic),
'del' ||
+ 's' ||
'strikethrough' =>
const TextStyle(decoration: TextDecoration.lineThrough),
'u' => const TextStyle(decoration: TextDecoration.underline),