diff --git a/src/sessions.js b/src/sessions.js
index 9f6b38b..51913ea 100644
--- a/src/sessions.js
+++ b/src/sessions.js
@@ -35,6 +35,7 @@ export function issueSession(req, res, email) {
     path: '/',
     maxAge: SESSION_TTL_MS,
   });
+  return id;
 }
 
 export function clearSession(req, res) {