diff --git a/README.org b/README.org
index d254061..d374a9b 100644
--- a/README.org
+++ b/README.org
@@ -87,7 +87,9 @@
 
         fn do_something_to_window(window: &mut Handle<Window>) -> GhostResult<()>
         {
-            some_internal_call(window as GHOST_WindowHandle).into()
+            unsafe {
+                some_internal_call(window as GHOST_WindowHandle).into()
+            }
         }
       #+END_SRC