diff --git a/core/src/ui/render_state.rs b/core/src/ui/render_state.rs
index 57e79a6..8bada33 100644
--- a/core/src/ui/render_state.rs
+++ b/core/src/ui/render_state.rs
@@ -52,7 +52,7 @@ impl UiRenderState {
             );
         }
         let root = root.into();
-        if self.root_changed(root) || self.resized {
+        if self.needs_redraw_all(root) {
             self.redraw_all(root, rsc);
             self.old_root = root.map(|r| r.id());
             self.resized = false;
@@ -218,12 +218,24 @@ impl UiRenderState {
         root.into().map(|r| r.id()) != self.old_root
     }
 
+    /// What `update` will redraw everything for. Named and shared with
+    /// `needs_redraw` rather than written out twice, because the two must
+    /// agree: `needs_redraw` is what asks for the frame that `update` would
+    /// draw, so a condition in one and not the other is a frame nobody
+    /// requests and a stale window. `resized` was missing from `needs_redraw`,
+    /// which is latent on Wayland only because winit asks for a redraw after a
+    /// resize by itself -- a resize changes neither the root nor any widget,
+    /// so nothing else here would have asked.
+    fn needs_redraw_all<'a>(&self, root: impl Into<Option<&'a StrongWidget>>) -> bool {
+        self.root_changed(root) || self.resized
+    }
+
     pub fn needs_redraw<'a>(
         &self,
         root: impl Into<Option<&'a StrongWidget>>,
         widgets: &Widgets,
     ) -> bool {
-        self.root_changed(root) || widgets.has_updates()
+        self.needs_redraw_all(root) || widgets.has_updates()
     }
 
     pub fn active_widgets(&self) -> usize {
@@ -317,3 +329,18 @@ impl Default for UiRenderState {
         Self::new()
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn a_resize_requests_a_frame_without_widget_changes() {
+        let widgets = Widgets::new();
+        let mut state = UiRenderState::new();
+
+        assert!(!state.needs_redraw(None::<&StrongWidget>, &widgets));
+        state.resize((800, 600));
+        assert!(state.needs_redraw(None::<&StrongWidget>, &widgets));
+    }
+}