diff --git a/src/app.cpp b/src/app.cpp
index 949502e..cf5b1c0 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -137,7 +137,9 @@ bool App::request_close()
             destroy_window();
             //PostQuitMessage(0);
 #elif __OSX__
-            [osx_view close];
+            dispatch_async(dispatch_get_main_queue(), ^{
+                [osx_view close];
+            });
 #elif __LINUX__
             glfwSetWindowShouldClose(glfw_window, GLFW_TRUE);
 #endif