diff --git a/src/meeting.mjs b/src/meeting.mjs
index c739a4b..6ff1d58 100644
--- a/src/meeting.mjs
+++ b/src/meeting.mjs
@@ -57,7 +57,7 @@ export const generateMeetingTitle = (meeting, meetingDate) => {
  * @returns {string} The escaped title
  */
 const escapeTitle = title =>
-  title.replace(/\\/g, '\\\\').replace(/([\[\]])/g, '\\$1');
+  title.replace(/(?<!\\)(\\\\)*([[\]])/g, '$1\\$2');
 
 /**
  * Resolves the public "add to your calendar" page for a meeting