diff --git a/app/api/job/handler/send-open-jobs-emails.ts b/app/api/job/handler/send-open-jobs-emails.ts
index 44d436e..a18c3f0 100644
--- a/app/api/job/handler/send-open-jobs-emails.ts
+++ b/app/api/job/handler/send-open-jobs-emails.ts
@@ -14,9 +14,9 @@ export default async function sendOpenJobsEmails() {
   const doctorAccounts = await getDoctorAccounts();
   const doctorEmails = doctorAccounts
     .map(({ email }) => email)
-    .filter((email) => !!email);
+    .filter((email): email is string => !!email);
 
-  if (doctorEmails !== null) {
+  if (doctorEmails.length === 0) {
     return [];
   }