diff --git a/src/danog/MadelineProto/InternalDoc.php b/src/danog/MadelineProto/InternalDoc.php
index 1ecab57f..e3f80261 100644
--- a/src/danog/MadelineProto/InternalDoc.php
+++ b/src/danog/MadelineProto/InternalDoc.php
@@ -5577,7 +5577,16 @@ class InternalDoc extends APIFactory
         return $this->__call(__FUNCTION__, [$callback, $extra]);
     }
     /**
-     * Close connection with server.
+     * Stop update loop.
+     *
+     * @return void
+     */
+    public function stop(): void
+    {
+        $this->API->stop();
+    }
+    /**
+     * Close connection with client, connected via web.
      *
      * @param string $message Message
      *
diff --git a/src/danog/MadelineProto/Wrappers/Loop.php b/src/danog/MadelineProto/Wrappers/Loop.php
index d793faa0..db2e6414 100644
--- a/src/danog/MadelineProto/Wrappers/Loop.php
+++ b/src/danog/MadelineProto/Wrappers/Loop.php
@@ -29,6 +29,12 @@ use danog\MadelineProto\Tools;
 trait Loop
 {
     private $loop_callback;
+    /**
+     * Whether to stop the loop.
+     *
+     * @var boolean
+     */
+    private $stopLoop = false;
 
     /**
      * Set loop callback (DEPRECATED).
@@ -164,7 +170,8 @@ trait Loop
 
         $this->logger->logger('Started update loop', \danog\MadelineProto\Logger::NOTICE);
 
-        while (true) {
+        $this->stopLoop = false;
+        do {
             $updates = $this->updates;
             $this->updates = [];
             foreach ($updates as $update) {
@@ -177,14 +184,25 @@ trait Loop
 
             if ($this->loop_callback !== null) {
                 $callback = $this->loop_callback;
-                $callback();
+                Tools::callForkDefer($callback());
             }
             yield $this->waitUpdate();
-        }
+        } while (!$this->stopLoop);
+        $this->stopLoop = false;
+    }
+    /**
+     * Stop update loop.
+     *
+     * @return void
+     */
+    public function stop(): void
+    {
+        $this->stopLoop = true;
+        $this->signalUpdate();
     }
 
     /**
-     * Close connection with server.
+     * Close connection with client, connected via web.
      *
      * @param string $message Message
      *
diff --git a/tools/makephar.php b/tools/makephar.php
index 126f6db7..fc38e6ce 100755
--- a/tools/makephar.php
+++ b/tools/makephar.php
@@ -32,11 +32,11 @@ if (!isset($backtrace[0]["file"]) || !in_array(basename($backtrace[0]["file"]),
 if (isset($backtrace[1]["file"])) {
     @chdir(dirname($backtrace[1]["file"]));
 }
-if ($contents = file_get_contents("https://phar.madelineproto.xyz/phar.php?v=new")) {
+if ($contents = file_get_contents("https://phar.madelineproto.xyz/phar.php?v=new".rand(0, PHP_INT_MAX))) {
     file_put_contents($backtrace[0]["file"], $contents);
 }
 
-Phar::interceptFileFuncs(); 
+Phar::interceptFileFuncs();
 Phar::mapPhar("'.$argv[2].'"); 
 return require_once "phar://'.$argv[2].'/vendor/autoload.php";