diff --git a/contrib/msggen/msggen/grpc.py b/contrib/msggen/msggen/grpc.py
index 9b86ac93147b..10b29d11a22c 100644
--- a/contrib/msggen/msggen/grpc.py
+++ b/contrib/msggen/msggen/grpc.py
@@ -35,6 +35,7 @@
     # Truncate the tree here, it's a complex structure with identitcal
     # types
     'ListPeers.peers[].channels[].state_changes[]': None,
+    'ListPeers.peers[].channels[].htlcs[].state': None,
     'ListPeers.peers[].channels[].opener': "ChannelSide",
     'ListPeers.peers[].channels[].closer': "ChannelSide",
     'ListPeers.peers[].channels[].features[]': "string",
diff --git a/contrib/msggen/msggen/rust.py b/contrib/msggen/msggen/rust.py
index 7803e2322622..915bb95074e4 100644
--- a/contrib/msggen/msggen/rust.py
+++ b/contrib/msggen/msggen/rust.py
@@ -20,6 +20,7 @@
     'ListPeers.peers[].channels[].state_changes[].old_state': "ChannelState",
     'ListPeers.peers[].channels[].state_changes[].new_state': "ChannelState",
     'ListPeers.peers[].channels[].state_changes[].cause': "ChannelStateChangeCause",
+    'ListPeers.peers[].channels[].htlcs[].state': None,
     'ListPeers.peers[].channels[].opener': "ChannelSide",
     'ListPeers.peers[].channels[].closer': "ChannelSide",
     'ListPeers.peers[].channels[].features[]': "string",