diff --git a/src/lib.rs b/src/lib.rs
index 081f7a0..b64eeee 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -111,6 +111,7 @@ impl<W: HasRawWindowHandle> GraphicsContext<W> {
 
 impl<W: HasRawWindowHandle> AsRef<W> for GraphicsContext<W> {
     /// Equivalent to [`self.window()`](Self::window()).
+    #[inline]
     fn as_ref(&self) -> &W {
         self.window()
     }