diff --git a/webapp/channels/src/components/post_markdown/system_message_helpers.tsx b/webapp/channels/src/components/post_markdown/system_message_helpers.tsx
index 0b8751df90..3e9b2c916f 100644
--- a/webapp/channels/src/components/post_markdown/system_message_helpers.tsx
+++ b/webapp/channels/src/components/post_markdown/system_message_helpers.tsx
@@ -189,7 +189,6 @@ function renderHeaderChangeMessage(post: Post): ReactNode {
     }
 
     const headerOptions = {
-        singleline: true,
         channelNamesMap: post.props && post.props.channel_mentions,
         mentionHighlight: true,
     };