diff --git a/intercepting-communication/udp-spoof-host/run b/intercepting-communication/udp-spoof-host/run
index 682b3bd..cdb1d71 100755
--- a/intercepting-communication/udp-spoof-host/run
+++ b/intercepting-communication/udp-spoof-host/run
@@ -31,7 +31,7 @@ class ClientHost(Host):
                 client_socket.sendto(b"ACTION?", ("10.0.0.3", 31337))
                 message, (peer_host, peer_port) = client_socket.recvfrom(1024)
                 if peer_port == 31337 and message.strip() == b"FLAG":
-                    _, flag_host, flag_port = message.strip().split(":")
+                    _, flag_host, flag_port = message.strip().split(b":")
                     client_socket.sendto(flag.encode(), (flag_host, int(flag_port)))
 
                 time.sleep(1)