1 files changed, 1 insertions, 1 deletions
diff --git a/library/core/src/array/mod.rs b/library/core/src/array/mod.rs
index f45c99c285c..c1d3aca6fdd 100644
--- a/library/core/src/array/mod.rs
+++ b/library/core/src/array/mod.rs
@@ -410,7 +410,7 @@ impl<T, const N: usize> [T; N] {
         }
         let mut dst = MaybeUninit::uninit_array::<N>();
         let mut guard: Guard<U, N> =
-            Guard { dst: MaybeUninit::first_ptr_mut(&mut dst), initialized: 0 };
+            Guard { dst: MaybeUninit::slice_as_mut_ptr(&mut dst), initialized: 0 };
         for (src, dst) in IntoIter::new(self).zip(&mut dst) {
             dst.write(f(src));
             guard.initialized += 1;