diff --git a/bellows/ezsp/v14/__init__.py b/bellows/ezsp/v14/__init__.py
index e80a4e73..40513e31 100644
--- a/bellows/ezsp/v14/__init__.py
+++ b/bellows/ezsp/v14/__init__.py
@@ -13,6 +13,8 @@
 from . import commands, config
 from ..v13 import EZSPv13
 
+NULL_NODE_ID = 0xFFFF
+
 
 class EZSPv14(EZSPv13):
     """EZSP Version 14 Protocol version handler."""
@@ -125,8 +127,8 @@ async def send_multicast(
             aps_frame=aps_frame,
             hops=radius,
             broadcast_addr=t.BroadcastAddress.RX_ON_WHEN_IDLE,
-            alias=0x0000,
-            sequence=aps_frame.sequence,
+            alias=NULL_NODE_ID,
+            sequence=0x00,  # NWK sequence, only used with an alias
             message_tag=message_tag,
             message=data,
         )
@@ -142,10 +144,12 @@ async def send_broadcast(
         aps_sequence: t.uint8_t,
         data: bytes,
     ) -> tuple[t.sl_Status, t.uint8_t]:
+        # `aps_sequence` is not used
+
         status, sequence = await self.sendBroadcast(
-            alias=0x0000,
+            alias=NULL_NODE_ID,
             destination=address,
-            sequence=aps_sequence,
+            sequence=0x00,  # NWK sequence, only used with an alias
             aps_frame=aps_frame,
             radius=radius,
             message_tag=message_tag,
diff --git a/tests/test_ezsp_v14.py b/tests/test_ezsp_v14.py
index 813599e4..56c9f83f 100644
--- a/tests/test_ezsp_v14.py
+++ b/tests/test_ezsp_v14.py
@@ -253,8 +253,8 @@ async def test_send_multicast(ezsp_f) -> None:
             aps_frame=t.EmberApsFrame(sequence=0x34),
             hops=12,
             broadcast_addr=t.BroadcastAddress.RX_ON_WHEN_IDLE,
-            alias=0x0000,
-            sequence=0x34,
+            alias=0xFFFF,
+            sequence=0x00,
             message_tag=0x0042,
             message=b"hello",
         )
@@ -276,9 +276,9 @@ async def test_send_broadcast(ezsp_f) -> None:
     assert message_tag == 0x42
     assert ezsp_f.sendBroadcast.mock_calls == [
         call(
-            alias=0x0000,
+            alias=0xFFFF,
             destination=t.BroadcastAddress.ALL_ROUTERS_AND_COORDINATOR,
-            sequence=34,
+            sequence=0x00,
             aps_frame=t.EmberApsFrame(),
             radius=12,
             message_tag=0x42,