diff --git a/src/libs/compat/freebsd11_network/callout.cpp b/src/libs/compat/freebsd11_network/callout.cpp
index c80938b63e..3548ec8494 100644
--- a/src/libs/compat/freebsd11_network/callout.cpp
+++ b/src/libs/compat/freebsd11_network/callout.cpp
@@ -212,6 +212,11 @@ _callout_stop_safe(struct callout *c, int safe)
 {
 	MutexLocker locker(sLock);
 
+	if (c == NULL) {
+		printf("_callout_stop_safe called with NULL callout");
+		return 0;
+	}
+
 	TRACE("_callout_stop_safe %p, func %p, arg %p\n", c, c->c_func, c->c_arg);
 
 	if (c->due <= 0)
diff --git a/src/libs/compat/freebsd11_network/taskqueue.c b/src/libs/compat/freebsd11_network/taskqueue.c
index 94b78a6641..89c7cbefac 100644
--- a/src/libs/compat/freebsd11_network/taskqueue.c
+++ b/src/libs/compat/freebsd11_network/taskqueue.c
@@ -247,6 +247,11 @@ taskqueue_drain(struct taskqueue *taskQueue, struct task *task)
 {
 	cpu_status status;
 
+	if (taskQueue == NULL) {
+		printf("taskqueue_drain called with NULL taskqueue");
+		return;
+	}
+
 	tq_lock(taskQueue, &status);
 	while (task->ta_pending != 0) {
 		tq_unlock(taskQueue, status);