diff --git a/app/Services/Email/Email.php b/app/Services/Email/Email.php
index 8fb90f0c7a..ff6131fc1c 100644
--- a/app/Services/Email/Email.php
+++ b/app/Services/Email/Email.php
@@ -621,7 +621,7 @@ class Email implements ShouldQueue
         $company = $this->company;
 
         $smtp_host = $company->smtp_host ?? '';
-        $smtp_port = $company->smtp_port ?? 0;
+        $smtp_port = (int)$company->smtp_port ?? 0;
         $smtp_username = $company->smtp_username ?? '';
         $smtp_password = $company->smtp_password ?? '';
         $smtp_encryption = $company->smtp_encryption ?? 'tls';