diff --git a/src/includes/addons/LSaddons.mail.php b/src/includes/addons/LSaddons.mail.php
index 3d36cf51..06ff8282 100644
--- a/src/includes/addons/LSaddons.mail.php
+++ b/src/includes/addons/LSaddons.mail.php
@@ -403,7 +403,7 @@ function get_mail_template_saved_path($template, $extension) {
 /**
  * Send email from template
  * @param string $tplname      The email template name
- * @param string $to           The email recipient
+ * @param string|array<string> $to The email recipient(s)
  * @param array<string,mixed> $variables    Variables to use to compute the template
  * @param array<string,string>|null $headers Email headers
  * @param array<string,string>|null $attachments Email attachments as an array with
@@ -431,6 +431,8 @@ function sendMailFromTemplate(
   if (is_array($variables))
     array_map([$smarty, "assign"], array_keys($variables), array_values($variables));
 
+  $to = ensureIsArray($to);
+
   try {
     $subject = $smarty -> fetch("file:{$tpl['subject']}");
     // Multiple line from subject cause problem, trim it and only the first line