diff --git a/src/try_engine/event/app_event/event.hpp b/src/try_engine/event/app_event/event.hpp
index 4857903..de63065 100644
--- a/src/try_engine/event/app_event/event.hpp
+++ b/src/try_engine/event/app_event/event.hpp
@@ -21,7 +21,7 @@ namespace try_engine::app_event
         for (const auto layer : l_stack)
         {
           std::thread th {
-            [=]() {
+            [&]() {
               layer->on_event(type, value);
             }
           };