diff --git a/library/core/src/array/mod.rs b/library/core/src/array/mod.rs
index 700fa7f4e2d2..181f8b408e61 100644
--- a/library/core/src/array/mod.rs
+++ b/library/core/src/array/mod.rs
@@ -184,7 +184,7 @@ fn borrow_mut(&mut self) -> &mut [T] {
     type Error = TryFromSliceError;
 
     fn try_from(slice: &mut [T]) -> Result<[T; N], TryFromSliceError> {
-        <Self>::try_from(slice.as_ref())
+        <Self>::try_from(&*slice)
     }
 }