diff --git a/acn.py b/acn.py
index cf05d899..1245a282 100644
--- a/acn.py
+++ b/acn.py
@@ -48,14 +48,11 @@ def enable():
             if universe == 0:  # invalid for sACN
                 continue
             DMX_sACN._instance.receiver.register_listener("universe", DMX_sACN.callback, universe=universe)
-            if os.name == "posix":
-                for card in DMX_Network.cards(None, None):
-                    interface_addr = card[0]
-                    print("Joining sACN universe:", universe, interface_addr)
-                    DMX_Log.log.info(("Joining sACN universe:", universe, interface_addr))
-                    DMX_sACN._instance.receiver.join_multicast(universe, interface_addr)
-            else:  # windows
-                DMX_sACN._instance.receiver.join_multicast(universe)
+            for card in DMX_Network.cards(None, None):
+                interface_addr = card[0]
+                print("Joining sACN universe:", universe, interface_addr)
+                DMX_Log.log.info(("Joining sACN universe:", universe, interface_addr))
+                DMX_sACN._instance.receiver.join_multicast(universe, interface_addr)
         bpy.app.timers.register(DMX_sACN.run_render)
         dmx.artnet_status = "listen"
 
diff --git a/data.py b/data.py
index e847bb48..5f95d80a 100644
--- a/data.py
+++ b/data.py
@@ -124,7 +124,10 @@ def set_universe(universe, data, source):
                 if DMX_Data._last_updated is None or (time.time() - DMX_Data._last_updated > 0.8 and changed):
                     # We limit update by time, too fast updates were troubling Blender's UI
                     for idx, val in enumerate(data):
-                        dmx.dmx_values[idx].channel = val
+                        try:
+                            dmx.dmx_values[idx].channel = val
+                        except Exception as e:
+                            print(e)
                     DMX_Data._last_updated = time.time()
                     print("update dmx")
 
diff --git a/sacn/receiver.py b/sacn/receiver.py
index 74d49135..c530bfe8 100644
--- a/sacn/receiver.py
+++ b/sacn/receiver.py
@@ -99,7 +99,7 @@ def remove_listener_from_universe(self, universe: int) -> None:
         """
         self._callbacks.pop(universe, None)
 
-    def join_multicast(self, universe: int, interface_addr: str) -> None:
+    def join_multicast(self, universe: int, interface_addr: str = "") -> None:
         """
         Joins the multicast address that is used for the given universe. Note: If you are on Windows you must have given
         a bind IP-Address for this feature to function properly. On the other hand you are not allowed to set a bind