diff --git a/winit/src/platform_specific/wayland/subsurface_widget.rs b/winit/src/platform_specific/wayland/subsurface_widget.rs
index fb853ef6..b082bf3b 100644
--- a/winit/src/platform_specific/wayland/subsurface_widget.rs
+++ b/winit/src/platform_specific/wayland/subsurface_widget.rs
@@ -541,7 +541,8 @@ impl SubsurfaceState {
             sorted_subsurfaces.sort_by(|a, b| a.3.cmp(&b.3));
 
             // Attach buffers to subsurfaces, set viewports, and commit.
-            'outer: for (i, subsurface) in sorted_subsurfaces.iter().enumerate() {
+            'outer: for (i, subsurface) in sorted_subsurfaces.iter().enumerate()
+            {
                 for prev in sorted_subsurfaces[0..i].iter().rev() {
                     if prev.0 == subsurface.0 {
                         // Fist surface that has `z` greater than 0, so place above parent,