diff --git a/src/lib.rs b/src/lib.rs
index d03dc60..fb84d94 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,4 @@
-use std::ffi::c_void;
+use raw_window_handle::RawWindowHandle;
 
 #[cfg(target_os = "windows")]
 mod win;
@@ -25,7 +25,7 @@ pub use mouse_cursor::MouseCursor;
 pub enum Parent {
     None,
     AsIfParented,
-    WithParent(*mut c_void),
+    WithParent(RawWindowHandle),
 }
 
 unsafe impl Send for Parent {}
diff --git a/src/win/window.rs b/src/win/window.rs
index 81a9439..990c68b 100644
--- a/src/win/window.rs
+++ b/src/win/window.rs
@@ -16,7 +16,11 @@ use std::ffi::c_void;
 use std::ptr::null_mut;
 use std::rc::Rc;
 
-use raw_window_handle::{windows::WindowsHandle, HasRawWindowHandle, RawWindowHandle};
+use raw_window_handle::{
+    windows::WindowsHandle,
+    HasRawWindowHandle,
+    RawWindowHandle
+};
 
 use crate::{
     Event, KeyboardEvent, MouseButton, MouseEvent, Parent::WithParent, ScrollDelta, WindowEvent,
@@ -187,11 +191,13 @@ impl Window {
 
             // todo: add check flags https://github.com/wrl/rutabaga/blob/f30ff67e157375cafdbafe5fb549f1790443a3a8/src/platform/win/window.c#L351
             let parent = match options.parent {
-                WithParent(p) => {
+                WithParent(RawWindowHandle::Windows(h)) => {
                     flags = WS_CHILD | WS_VISIBLE;
-                    p
+                    h.hwnd
                 }
 
+                WithParent(h) => panic!("unsupported parent handle {:?}", h)
+
                 _ => {
                     AdjustWindowRectEx(&mut rect, flags, FALSE, 0);
                     null_mut()
diff --git a/src/x11/window.rs b/src/x11/window.rs
index 325aae6..5a9f1b7 100644
--- a/src/x11/window.rs
+++ b/src/x11/window.rs
@@ -3,7 +3,11 @@ use std::sync::mpsc;
 use std::time::*;
 use std::thread;
 
-use raw_window_handle::{unix::XlibHandle, HasRawWindowHandle, RawWindowHandle};
+use raw_window_handle::{
+    unix::XlibHandle,
+    HasRawWindowHandle,
+    RawWindowHandle
+};
 
 use super::XcbConnection;
 use crate::{
@@ -67,7 +71,11 @@ impl Window {
 
         // Convert parent into something that X understands
         let parent_id = match options.parent {
-            Parent::WithParent(p) => p as u32,
+            Parent::WithParent(RawWindowHandle::Xlib(h)) => h.window as u32,
+            Parent::WithParent(RawWindowHandle::Xcb(h)) => h.window,
+            Parent::WithParent(h) =>
+                panic!("unsupported parent handle type {:?}", h),
+
             Parent::None | Parent::AsIfParented => screen.root(),
         };