diff --git a/library/std/src/sys/pal/sgx/abi/usercalls/alloc.rs b/library/std/src/sys/pal/sgx/abi/usercalls/alloc.rs
index f4115ca6124a7..5a91305c5b9f0 100644
--- a/library/std/src/sys/pal/sgx/abi/usercalls/alloc.rs
+++ b/library/std/src/sys/pal/sgx/abi/usercalls/alloc.rs
@@ -253,11 +253,9 @@ where
         unsafe {
             // Mustn't call alloc with size 0.
             let ptr = if size > 0 {
-                // `copy_to_userspace` is more efficient when data is 8-byte aligned
-                let alignment = cmp::max(T::align_of(), 8);
-                rtunwrap!(Ok, super::alloc(size, alignment)) as _
+                rtunwrap!(Ok, super::alloc(size, T::align_of())) as _
             } else {
-                T::align_of() as _ // dangling pointer ok for size 0
+                crate::ptr::dangling_mut() // dangling pointer ok for size 0
             };
             if let Ok(v) = crate::panic::catch_unwind(|| T::from_raw_sized(ptr, size)) {
                 User(NonNull::new_userref(v))