diff --git a/src/core/app/context.rs b/src/core/app/context.rs
index a12bb3c..c247443 100644
--- a/src/core/app/context.rs
+++ b/src/core/app/context.rs
@@ -104,7 +104,7 @@ impl WindowContext {
     where
         F: FnOnce(&VulkanoWindowRenderer) -> T,
     {
-        let vulkano_windows = self.vulkano_windows.borrow_mut();
+        let vulkano_windows = self.vulkano_windows.borrow();
         let renderer = vulkano_windows
             .get_renderer(self.window_id)
             .expect("Failed to get renderer");