diff --git a/README.md b/README.md
index a4fadd5..0fff477 100644
--- a/README.md
+++ b/README.md
@@ -2,8 +2,7 @@ IP-туннель (VPN) с tun-интерфейсом на Python
 ============================================
 
 Данный код был написан в рамках трансляции
-(https://www.youtube.com/watch?v=tgXV1h_YMu4)
-и будет доработан позже.
+(https://www.youtube.com/watch?v=tgXV1h_YMu4).
 
 
 
diff --git a/main.py b/main.py
index 241ff40..3de478e 100755
--- a/main.py
+++ b/main.py
@@ -175,7 +175,9 @@ def handle_ip_packet(ip_packet, conn, tun_iface, config):
     if ip_packet.header.dst == config.iface_addr:
         print('sending to tun iface')
         buf = b'\x00\x00' + IP_V4_PROTO + ip_packet_packed
-        tun_iface.write(buf)
+        while len(buf):
+            nbytes = tun_iface.write(buf)
+            buf = buf[nbytes:]
     elif ip_packet.header.dst == config.iface_dstaddr:
         print('sending to remote peer')
         ip_packet_length = struct.pack('>I', len(ip_packet_packed))