diff --git a/src/tools/miri/src/concurrency/data_race.rs b/src/tools/miri/src/concurrency/data_race.rs
index 4a1c3ac868e..127d97bd5af 100644
--- a/src/tools/miri/src/concurrency/data_race.rs
+++ b/src/tools/miri/src/concurrency/data_race.rs
@@ -1074,7 +1074,12 @@ pub fn deallocate<'tcx>(
         size: Size,
         machine: &mut MiriMachine<'_, '_>,
     ) -> InterpResult<'tcx> {
-        self.unique_access(alloc_id, alloc_range(Size::ZERO, size), NaWriteType::Deallocate, machine)
+        self.unique_access(
+            alloc_id,
+            alloc_range(Size::ZERO, size),
+            NaWriteType::Deallocate,
+            machine,
+        )
     }
 }