diff --git a/artnet.py b/artnet.py
index c8a24cde..a8f8ca42 100644
--- a/artnet.py
+++ b/artnet.py
@@ -130,9 +130,10 @@ def build_ArtPollReply(self):
             ip = DMX_Network.cards(None, None)[-1][0]
         else:
             ip = "0.0.0.0"
+        print(DMX_Network.cards(None, None))
         ip = [int(i) for i in ip.split(".")]
         print("ip", ip)
-        content += [i.to_bytes() for i in ip]
+        content += [i.to_bytes(length=1) for i in ip]
         # Port
         content.append(struct.pack("<H", 0x1936))
         # Firmware Version