diff --git a/src/ext/notifications/class.sender.php b/src/ext/notifications/class.sender.php
index 74358c8..ac3e715 100644
--- a/src/ext/notifications/class.sender.php
+++ b/src/ext/notifications/class.sender.php
@@ -20,7 +20,7 @@ class Sender
     function __construct(array $prefs, bool $useCli = false)
     {
         $this->prefs = $prefs;
-        if ($useCli && function_exists('pcntl_fork')) {
+        if ($useCli && function_exists('pcntl_fork') && function_exists('posix_setsid')) {
             $this->cli = true;
         }
     }
@@ -193,7 +193,7 @@ class Sender
         $host = parse_url(get_unsafe_mttinfo('url'), PHP_URL_HOST);
         $host = preg_replace('/^(www\.)/', '', $host);
         //$host = gethostname();
-        if (function_exists('posix_getuid') && false !== ($userinfo = posix_getpwuid(posix_getuid())) ) {
+        if (function_exists('posix_getpwuid') && false !== ($userinfo = posix_getpwuid(posix_getuid())) ) {
             return $userinfo['name']. '@'. $host;
         }
         return "mytinytodo@$host";
diff --git a/src/ext/notifications/cli-notify.php b/src/ext/notifications/cli-notify.php
index 9dfc642..3bbee92 100644
--- a/src/ext/notifications/cli-notify.php
+++ b/src/ext/notifications/cli-notify.php
@@ -2,7 +2,7 @@
 
 /*
     This file is a part of myTinyTodo.
-    (C) Copyright 2022 Max Pozdeev <maxpozdeev@gmail.com>
+    (C) Copyright 2022-2023 Max Pozdeev <maxpozdeev@gmail.com>
     Licensed under the GNU GPL version 2 or any later. See file COPYRIGHT for details.
 */
 
@@ -16,6 +16,10 @@ if (!function_exists('pcntl_fork')) {
     error_log("Required PHP module is not found: pcntl");
     exit(-2);
 }
+if (!function_exists('posix_setsid')) {
+    error_log("Required PHP module is not found: posix");
+    exit(-2);
+}
 $dontStartSession = 1;
 require(__DIR__.'/../../init.php');
 
diff --git a/src/ext/notifications/extension.json b/src/ext/notifications/extension.json
index 71bc31d..7101edb 100644
--- a/src/ext/notifications/extension.json
+++ b/src/ext/notifications/extension.json
@@ -1,6 +1,6 @@
 {
     "bundleId": "notifications",
     "name": "Notifications",
-    "version": "1.1",
+    "version": "1.2",
     "description": "Notify about new tasks and lists on e-mail or telegram"
 }