diff --git a/python/trx/ctrl_if_bb.py b/python/trx/ctrl_if_bb.py
index 7886e23..f5a9fa3 100644
--- a/python/trx/ctrl_if_bb.py
+++ b/python/trx/ctrl_if_bb.py
@@ -26,9 +26,10 @@
 from ctrl_if import ctrl_if
 
 class ctrl_if_bb(ctrl_if):
-	def __init__(self, remote_addr, remote_port, bind_port, tb, pm):
+	def __init__(self, remote_addr, remote_port, bind_addr, bind_port, tb, pm):
 		print("[i] Init CTRL interface")
-		ctrl_if.__init__(self, remote_addr, remote_port, bind_port)
+		ctrl_if.__init__(self, remote_addr, remote_port,
+			bind_addr, bind_port)
 
 		# Set link to the follow graph (top block)
 		self.tb = tb
diff --git a/python/trx/radio_if.py b/python/trx/radio_if.py
index 25a35a5..1c7f003 100644
--- a/python/trx/radio_if.py
+++ b/python/trx/radio_if.py
@@ -81,8 +81,8 @@
 	def __init__(self, phy_args, phy_sample_rate,
 			phy_rx_gain, phy_tx_gain, phy_ppm,
 			phy_rx_antenna, phy_tx_antenna,
-			trx_remote_addr, trx_base_port,
-			trx_bind_addr = "0.0.0.0"):
+			trx_bind_addr, trx_remote_addr,
+			trx_base_port):
 
 		print("[i] Init Radio interface")
 
diff --git a/python/trx/udp_link.py b/python/trx/udp_link.py
index d96a6aa..efa701b 100644
--- a/python/trx/udp_link.py
+++ b/python/trx/udp_link.py
@@ -26,10 +26,10 @@
 import select
 
 class udp_link:
-	def __init__(self, remote_addr, remote_port, bind_port):
+	def __init__(self, remote_addr, remote_port, bind_addr = '0.0.0.0', bind_port = 0):
 		self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
 		self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
-		self.sock.bind((remote_addr, bind_port))
+		self.sock.bind((bind_addr, bind_port))
 		self.sock.setblocking(0)
 
 		# Save remote info