diff --git a/lightningd/options.c b/lightningd/options.c
index aff8b090b..a6fae5f62 100644
--- a/lightningd/options.c
+++ b/lightningd/options.c
@@ -806,6 +806,9 @@ static char *list_features_and_exit(struct lightningd *ld)
 	const char **features = list_supported_features(tmpctx, ld->our_features);
 	for (size_t i = 0; i < tal_count(features); i++)
 		printf("%s\n", features[i]);
+#if EXPERIMENTAL_FEATURES
+	printf("supports_open_accept_channel_type\n");
+#endif
 	exit(0);
 }
 
diff --git a/tests/test_misc.py b/tests/test_misc.py
index 94282291e..ec274dc8e 100644
--- a/tests/test_misc.py
+++ b/tests/test_misc.py
@@ -1924,6 +1924,7 @@ def test_list_features_only(node_factory):
         expected += ['option_anchor_outputs/odd']
         expected += ['option_shutdown_anysegwit/odd']
         expected += ['option_onion_messages/odd']
+        expected += ['supports_open_accept_channel_type']
     else:
         expected += ['option_shutdown_anysegwit/odd']
     assert features == expected