diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs
index be54c48a7d658..6ddb10239968e 100644
--- a/library/alloc/src/sync.rs
+++ b/library/alloc/src/sync.rs
@@ -3308,8 +3308,10 @@ impl Default for Arc<str> {
     fn default() -> Self {
         let arc: Arc<[u8]> = Default::default();
         debug_assert!(core::str::from_utf8(&*arc).is_ok());
-        let (ptr, alloc) = Arc::internal_into_inner_with_allocator(arc);
-        unsafe { Arc::from_ptr_in(ptr.as_ptr() as *mut ArcInner<str>, alloc) }
+        unsafe {         
+            let (ptr, alloc) = Arc::internal_into_inner_with_allocator(arc);
+            Arc::from_ptr_in(ptr.as_ptr() as *mut ArcInner<str>, alloc) 
+        }
     }
 }