diff --git a/tests/test_connection.py b/tests/test_connection.py
index a95f795ea..1bdec84e0 100644
--- a/tests/test_connection.py
+++ b/tests/test_connection.py
@@ -2699,8 +2699,14 @@ def test_wumbo_channels(node_factory, bitcoind):
                                               {'large-channels': None},
                                               {}])
     conn = l1.rpc.connect(l2.info['id'], 'localhost', port=l2.port)
-    assert conn['features'] == expected_peer_features(wumbo_channels=True)
-    assert only_one(l1.rpc.listpeers(l2.info['id'])['peers'])['features'] == expected_peer_features(wumbo_channels=True)
+
+    expected_features = expected_peer_features(wumbo_channels=True)
+    if l1.config('experimental-dual-fund'):
+        expected_features = expected_peer_features(wumbo_channels=True,
+                                                   extra=[223])
+
+    assert conn['features'] == expected_features
+    assert only_one(l1.rpc.listpeers(l2.info['id'])['peers'])['features'] == expected_features
 
     # Now, can we open a giant channel?
     l1.fundwallet(1 << 26)
@@ -2762,7 +2768,7 @@ def test_channel_features(node_factory, bitcoind):
     # We should see features in unconfirmed channels.
     chan = only_one(only_one(l1.rpc.listpeers()['peers'])['channels'])
     assert 'option_static_remotekey' in chan['features']
-    if EXPERIMENTAL_FEATURES:
+    if EXPERIMENTAL_FEATURES or l1.config('experimental-dual-fund'):
         assert 'option_anchor_outputs' in chan['features']
 
     # l2 should agree.
@@ -2775,7 +2781,7 @@ def test_channel_features(node_factory, bitcoind):
 
     chan = only_one(only_one(l1.rpc.listpeers()['peers'])['channels'])
     assert 'option_static_remotekey' in chan['features']
-    if EXPERIMENTAL_FEATURES:
+    if EXPERIMENTAL_FEATURES or l1.config('experimental-dual-fund'):
         assert 'option_anchor_outputs' in chan['features']
 
     # l2 should agree.