diff --git a/packages/desktop/src-tauri/src/markdown.rs b/packages/desktop/src-tauri/src/markdown.rs
index a2a53b2224c..bb19ffe855b 100644
--- a/packages/desktop/src-tauri/src/markdown.rs
+++ b/packages/desktop/src-tauri/src/markdown.rs
@@ -9,6 +9,7 @@ pub fn parse_markdown(input: &str) -> String {
     options.render.r#unsafe = true;
 
     markdown_to_html(input, &options)
+        .replace("<a ", "<a class=\"external-link\" ")
 }
 
 #[tauri::command]