diff --git a/test/core/end2end/fixtures/chttp2_fullstack_uds_posix_with_poll.c b/test/core/end2end/fixtures/chttp2_fullstack_uds_posix_with_poll.c
index 03d3be5a7c3..a2ab25d886f 100644
--- a/test/core/end2end/fixtures/chttp2_fullstack_uds_posix_with_poll.c
+++ b/test/core/end2end/fixtures/chttp2_fullstack_uds_posix_with_poll.c
@@ -78,7 +78,7 @@ static grpc_end2end_test_fixture chttp2_create_fixture_fullstack(
 void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
                                   grpc_channel_args *client_args) {
   fullstack_fixture_data *ffd = f->fixture_data;
-  f->client = grpc_channel_create(ffd->localaddr, client_args);
+  f->client = grpc_insecure_channel_create(ffd->localaddr, client_args);
 }
 
 void chttp2_init_server_fullstack(grpc_end2end_test_fixture *f,