diff --git a/src/node_worker.cc b/src/node_worker.cc
index e8026fe24c7021..f64609cf045441 100644
--- a/src/node_worker.cc
+++ b/src/node_worker.cc
@@ -449,6 +449,9 @@ void Worker::JoinThread() {
 
   env()->remove_sub_worker_context(this);
 
+  // Join may happen after the worker exits and disposes the isolate
+  if (!env()->can_call_into_js()) return;
+
   {
     HandleScope handle_scope(env()->isolate());
     Context::Scope context_scope(env()->context());