diff --git a/src/danog/MadelineProto/MTProtoTools/Files.php b/src/danog/MadelineProto/MTProtoTools/Files.php
index 2eaedfef..944b5220 100644
--- a/src/danog/MadelineProto/MTProtoTools/Files.php
+++ b/src/danog/MadelineProto/MTProtoTools/Files.php
@@ -353,8 +353,11 @@ trait Files
             };
         }
         $message_media = $this->get_download_info($message_media);
-        if (stream_get_meta_data($stream)['seekable']) {
-            fseek($stream, $offset);
+        try {
+            if (stream_get_meta_data($stream)['seekable']) {
+                fseek($stream, $offset);
+            }
+        } catch (\danog\MadelineProto\Exception $e) {
         }
         $downloaded_size = 0;
         if ($end === -1 && isset($message_media['size'])) {
diff --git a/src/danog/MadelineProto/Server/Stream.php b/src/danog/MadelineProto/Server/Stream.php
index 34192213..410c9cee 100644
--- a/src/danog/MadelineProto/Server/Stream.php
+++ b/src/danog/MadelineProto/Server/Stream.php
@@ -30,17 +30,17 @@ class Stream
             self::$_isRegistered = true;
         }
 
-        return stream_context_create([self::WRAPPER_NAME => ['handler' => $handler, $stream_id]]);
+        return stream_context_create([self::WRAPPER_NAME => ['handler' => $handler, 'stream_id' => $stream_id]]);
     }
 
     public function stream_open($path, $mode, $options, &$opened_path)
     {
         $opt = stream_context_get_options($this->context);
+
         if (!is_array($opt[self::WRAPPER_NAME]) ||
         !isset($opt[self::WRAPPER_NAME]['handler']) ||
         !($opt[self::WRAPPER_NAME]['handler'] instanceof Handler) ||
-        !isset($opt[self::WRAPPER_NAME]['stream_id']) ||
-        !is_int($opt[self::WRAPPER_NAME]['stream_id'])) {
+        !isset($opt[self::WRAPPER_NAME]['stream_id'])) {
             return false;
         }
         $this->_handler = $opt[self::WRAPPER_NAME]['handler'];
@@ -51,7 +51,7 @@ class Stream
 
     public function stream_write($data)
     {
-        $this->handler->send_data($this->_stream_id, $data);
+        $this->_handler->send_data($this->_stream_id, $data);
     }
 
     public function stream_lock($mode)
diff --git a/src/danog/MadelineProto/TL/TL.php b/src/danog/MadelineProto/TL/TL.php
index c94364ad..da3a9922 100644
--- a/src/danog/MadelineProto/TL/TL.php
+++ b/src/danog/MadelineProto/TL/TL.php
@@ -282,6 +282,7 @@ trait TL
 
                 return $concat;
             case 'bytes':
+                if (is_array($object) && isset($object['_']) && $object['_'] === 'bytes') $object = base64_decode($object['bytes']);
                 if (!is_string($object) && !$object instanceof \danog\MadelineProto\TL\Types\Bytes) {
                     throw new Exception("You didn't provide a valid string");
                 }
diff --git a/src/danog/MadelineProto/TL/Types/Bytes.php b/src/danog/MadelineProto/TL/Types/Bytes.php
index 436495f5..34c70de4 100644
--- a/src/danog/MadelineProto/TL/Types/Bytes.php
+++ b/src/danog/MadelineProto/TL/Types/Bytes.php
@@ -35,6 +35,6 @@ class Bytes extends \Volatile implements \JsonSerializable
 
     public function jsonSerialize()
     {
-        return utf8_encode($this->bytes);
+        return ['_' => 'bytes', 'bytes' => base64_encode($this->bytes)];
     }
 }
diff --git a/src/danog/MadelineProto/TL_socket.tl b/src/danog/MadelineProto/TL_socket.tl
index 8d757bdc..e31e46ac 100644
--- a/src/danog/MadelineProto/TL_socket.tl
+++ b/src/danog/MadelineProto/TL_socket.tl
@@ -5,7 +5,7 @@ socketMessageResponse request_id:int data:%DataJSON = SocketMessage;
 socketMessageException request_id:int exception:SocketException = SocketMessage;
 socketMessageUpdate data:%DataJSON = SocketMessage;
 socketMessageLog flags:# thread:flags.0?true process:flags.1?true file:string level:int data:%DataJSON = SocketMessage;
-socketMessageRawData stream_id:int data:bytes = SocketMessage;
+socketMessageRawData stream_id:string data:bytes = SocketMessage;
 
 socketException message:string code:int trace:%SocketTLTrace = SocketException;
 socketRPCErrorException flags:# rpc_message:flags.0?string message:flags.1?string code:int trace:%SocketTLTrace = SocketException;