diff --git a/src/util.js.c b/src/util.js.c
index cf9246c0..cd423159 100644
--- a/src/util.js.c
+++ b/src/util.js.c
@@ -194,13 +194,15 @@ bool tf_util_report_error(JSContext* context, JSValue value)
 }
 
 typedef struct _timeout_t {
+	uv_timer_t _timer;
 	tf_task_t* _task;
 	JSValue _callback;
 } timeout_t;
 
 static void _handle_closed(uv_handle_t* handle)
 {
-	tf_free(handle);
+	timeout_t* timeout = handle->data;
+	tf_free(timeout);
 }
 
 static void _util_timeoutCallback(uv_timer_t* handle)
@@ -218,7 +220,6 @@ static void _util_timeoutCallback(uv_timer_t* handle)
 	JS_FreeValue(context, result);
 	JS_FreeValue(context, timeout->_callback);
 	tf_trace_end(tf_task_get_trace(timeout->_task));
-	tf_free(timeout);
 	uv_close((uv_handle_t*)handle, _handle_closed);
 }
 
@@ -231,16 +232,17 @@ static JSValue _util_setTimeout(JSContext* context, JSValueConst this_val, int a
 	{
 		._task = task,
 		._callback = JS_DupValue(context, argv[0]),
+		._timer = { .data = timeout },
 	};
 
-	uv_timer_t* timer = tf_malloc(sizeof(uv_timer_t));
-	memset(timer, 0, sizeof(uv_timer_t));
-	uv_timer_init(tf_task_get_loop(task), timer);
-	timer->data = timeout;
+	uv_timer_init(tf_task_get_loop(task), &timeout->_timer);
 
 	int64_t duration;
 	JS_ToInt64(context, &duration, argv[1]);
-	uv_timer_start(timer, _util_timeoutCallback, duration, 0);
+	if (uv_timer_start(&timeout->_timer, _util_timeoutCallback, duration, 0) != 0)
+	{
+		tf_free(timeout);
+	}
 	return JS_NULL;
 }