diff --git a/crates/gpui/src/platform.rs b/crates/gpui/src/platform.rs
index e3af6654f17107c265c38437e6d6d706ca2667bb..e47907d22ebf172ba17231fb98ec35bd280692df 100644
--- a/crates/gpui/src/platform.rs
+++ b/crates/gpui/src/platform.rs
@@ -1068,7 +1068,7 @@ pub enum WindowKind {
 ///
 /// On macOS, this corresponds to named [`NSAppearance`](https://developer.apple.com/documentation/appkit/nsappearance)
 /// values.
-#[derive(Copy, Clone, Debug)]
+#[derive(Copy, Clone, Debug, PartialEq, Eq)]
 pub enum WindowAppearance {
     /// A light appearance.
     ///