diff --git a/engine/flutter/fml/thread.cc b/engine/flutter/fml/thread.cc
index c4645846d29d7a02f6d4c1c86378364fbf7da100..cb371e3fb8d8bdbf98b5ea8d5b8898ba0ad8522f 100644
--- a/engine/flutter/fml/thread.cc
+++ b/engine/flutter/fml/thread.cc
@@ -51,7 +51,11 @@ void Thread::Join() {
     return;
   }
   joined_ = true;
-  task_runner_->PostTask([]() { MessageLoop::GetCurrent().Terminate(); });
+  task_runner_->PostTask([]() {
+    if (fml::MessageLoop::IsInitializedForCurrentThread()) {
+      MessageLoop::GetCurrent().Terminate();
+    }
+  });
   thread_->join();
 }