diff --git a/server/src/atlas/layer_proxy.rs b/server/src/atlas/layer_proxy.rs
index 5500e6013..4ff965637 100644
--- a/server/src/atlas/layer_proxy.rs
+++ b/server/src/atlas/layer_proxy.rs
@@ -467,9 +467,8 @@ const MIN_WL_BANDS_M: [f64; 6] = [
 /// the build breaks loudly and a human decides deliberately whether the
 /// coincidence should be restored or the two meanings were meant to diverge
 /// — never a silent redefinition of the Atlas rung floor.
-const _: () = assert!(
-    crate::atlas::detail_scatter::OCTAVE_WAVELENGTHS_M[3] as i64 == 2 * DISTRICT_M as i64
-);
+const _: () =
+    assert!(crate::atlas::detail_scatter::OCTAVE_WAVELENGTHS_M[3] as i64 == 2 * DISTRICT_M as i64);
 
 /// Snap a wire-supplied `window_min_wl_m` to the nearest fixed band in
 /// [`MIN_WL_BANDS_M`] (T-1150, design doc §5's gap-fix): "as specified,