diff --git a/packages/doorman-api/functions/api/door/notify.js b/packages/doorman-api/functions/api/door/notify.js
index 1a4e5d3..71ee9bf 100644
--- a/packages/doorman-api/functions/api/door/notify.js
+++ b/packages/doorman-api/functions/api/door/notify.js
@@ -7,7 +7,7 @@ exports.handler = async function(context, event, callback) {
   let msg = event.msg;
 
   if (event.json && event.json != "undefined") {
-		const fingerprint = JSON.parse(event.json);
+		const fingerprint = JSON.parse(event.json)?.fingerprint;
 		msg += `\`\`\`# Unlocked by\n${JSON.stringify(fingerprint, null, 4)}\`\`\``;
   }