diff --git a/tests/test_control_server.c b/tests/test_control_server.c
index df9af70c..2e8284c6 100644
--- a/tests/test_control_server.c
+++ b/tests/test_control_server.c
@@ -53,6 +53,7 @@ ssize_t __wrap_send(socket_t fd, const void* data, size_t len, int flags) {
 struct fixture {
     struct UTUN_INSTANCE inst;
     struct control_server server;
+    struct CFG_CONTROL_ALLOW allow;
     socket_t peer;
     size_t allocations;
 };
@@ -62,6 +63,7 @@ static void fixture_init(struct fixture* f) {
     f->allocations = u_get_allocated_count();
     f->inst.ua = uasync_create(); assert(f->inst.ua);
     f->inst.config = u_calloc(1, sizeof(*f->inst.config)); assert(f->inst.config);
+    f->inst.config->global.control_allows = &f->allow;
     f->inst.config->global.control_allow_count = 1;
     f->inst.config->global.control_allows[0].network = INADDR_LOOPBACK;
     f->inst.config->global.control_allows[0].netmask = UINT32_MAX;
@@ -80,6 +82,8 @@ static void fixture_destroy(struct fixture* f) {
     capture_fd = -1; send_mode = 0;
     control_server_shutdown(&f->server);
     if (f->peer >= 0) close(f->peer);
+    TimeoutEntry pending;
+    assert(timeout_heap_peek(f->inst.ua->timeout_heap, &pending) != 0);
     assert(timeout_heap_get_size(f->inst.ua->timeout_heap) == 0);
     assert(f->inst.ua->timer_alloc_count == f->inst.ua->timer_free_count);
     uasync_destroy(f->inst.ua, 0); u_free(f->inst.config);