diff --git a/src/lib.rs b/src/lib.rs
index 05c263f..4a0d9e9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -20,6 +20,8 @@ pub use window::*;
 pub use window_info::*;
 pub use window_open_options::*;
 
+const MESSAGE_QUEUE_LEN: usize = 128;
+
 #[derive(Debug)]
 pub enum Parent {
     None,
diff --git a/src/macos/window.rs b/src/macos/window.rs
index 9a45e54..80b511d 100644
--- a/src/macos/window.rs
+++ b/src/macos/window.rs
@@ -16,7 +16,7 @@ use rtrb::{RingBuffer, Producer, Consumer, PushError};
 
 use crate::{
     Event, Parent, WindowHandler, WindowOpenOptions,
-    WindowScalePolicy, WindowInfo
+    WindowScalePolicy, WindowInfo, MESSAGE_QUEUE_LEN
 };
 
 use super::view::create_view;
@@ -29,8 +29,6 @@ pub(super) const WINDOW_STATE_IVAR_NAME: &str = "WINDOW_STATE_IVAR_NAME";
 
 pub(super) const FRAME_TIMER_IVAR_NAME: &str = "FRAME_TIMER";
 
-const MESSAGE_QUEUE_LEN: usize = 128;
-
 
 pub struct Window {
     /// Only set if we created the parent window, i.e. we are running in