2 files changed, 3 insertions, 3 deletions
diff --git a/winit/src/multi_window.rs b/winit/src/multi_window.rs
index 6e28f1fa..9b395c1d 100644
--- a/winit/src/multi_window.rs
+++ b/winit/src/multi_window.rs
@@ -112,7 +112,7 @@ where
     fn title(&self, window: window::Id) -> String;
 
     /// Returns the current [`Theme`] of the [`Application`].
-    fn theme(&self) -> <Self::Renderer as crate::Renderer>::Theme;
+    fn theme(&self, window: window::Id) -> <Self::Renderer as crate::Renderer>::Theme;
 
     /// Returns the [`Style`] variation of the [`Theme`].
     fn style(
diff --git a/winit/src/multi_window/state.rs b/winit/src/multi_window/state.rs
index d0e442d0..54a114ad 100644
--- a/winit/src/multi_window/state.rs
+++ b/winit/src/multi_window/state.rs
@@ -37,7 +37,7 @@ where
     ) -> Self {
         let title = application.title(window_id);
         let scale_factor = application.scale_factor(window_id);
-        let theme = application.theme();
+        let theme = application.theme(window_id);
         let appearance = theme.appearance(&application.style());
 
         let viewport = {
@@ -212,7 +212,7 @@ where
         }
 
         // Update theme and appearance
-        self.theme = application.theme();
+        self.theme = application.theme(window_id);
         self.appearance = self.theme.appearance(&application.style());
     }
 }