diff --git a/examples/src/lib.rs b/examples/src/lib.rs
index 3ad39ff..2e1e66e 100644
--- a/examples/src/lib.rs
+++ b/examples/src/lib.rs
@@ -103,7 +103,7 @@ fn create_surface(instance: &Instance,
                   window: &winit::Window)
                   -> Result<vk::SurfaceKHR, vk::Result> {
     use winit::os::windows::WindowExt;
-    let hwnd = window.get_hwnd() as *mut winapi::windef::HWND__;
+    let hwnd = unsafe {window.get_hwnd() as *mut winapi::windef::HWND__ };
     let hinstance = user32::GetWindow(hwnd, 0) as *const ();
     let win32_create_info = vk::Win32SurfaceCreateInfoKHR {
         s_type: vk::StructureType::Win32SurfaceCreateInfoKhr,