diff --git a/engine/src/flutter/third_party/tonic/dart_message_handler.cc b/engine/src/flutter/third_party/tonic/dart_message_handler.cc
index b1c501ea1f..1429927aaa 100644
--- a/engine/src/flutter/third_party/tonic/dart_message_handler.cc
+++ b/engine/src/flutter/third_party/tonic/dart_message_handler.cc
@@ -39,7 +39,9 @@ void DartMessageHandler::OnMessage(DartState* dart_state) {
   auto weak_dart_state = dart_state->GetWeakPtr();
   task_dispatcher_([weak_dart_state]() {
     if (auto dart_state = weak_dart_state.lock()) {
-      dart_state->message_handler().OnHandleMessage(dart_state.get());
+      if (!dart_state->IsShuttingDown()) {
+        dart_state->message_handler().OnHandleMessage(dart_state.get());
+      }
     }
   });
 }