diff --git a/src/node_api.cc b/src/node_api.cc
index c92175c75fea0a..1f7b1405539e7b 100644
--- a/src/node_api.cc
+++ b/src/node_api.cc
@@ -1084,6 +1084,7 @@ class ThreadSafeFunction : public node::AsyncResource {
   }
 
   void CloseHandlesAndMaybeDelete(bool set_closing = false) {
+    v8::HandleScope scope(env->isolate);
     if (set_closing) {
       node::Mutex::ScopedLock lock(this->mutex);
       is_closing = true;
@@ -1101,6 +1102,7 @@ class ThreadSafeFunction : public node::AsyncResource {
           ThreadSafeFunction* ts_fn =
               node::ContainerOf(&ThreadSafeFunction::async,
                                 reinterpret_cast<uv_async_t*>(handle));
+          v8::HandleScope scope(ts_fn->env->isolate);
           ts_fn->env->node_env()->CloseHandle(
               reinterpret_cast<uv_handle_t*>(&ts_fn->idle),
               [](uv_handle_t* handle) -> void {