diff --git a/src/unix/fs.c b/src/unix/fs.c
index 4de0643a..9671f0dd 100644
--- a/src/unix/fs.c
+++ b/src/unix/fs.c
@@ -85,7 +85,8 @@
 #if defined(__CYGWIN__) ||                                                    \
     (defined(__HAIKU__) && B_HAIKU_VERSION < B_HAIKU_VERSION_1_PRE_BETA_5) || \
     (defined(__sun) && !defined(__illumos__)) ||                              \
-    (defined(__APPLE__) && MAC_OS_X_VERSION_MIN_REQUIRED <= 101300)
+    (defined(__APPLE__) && !TARGET_OS_IPHONE &&                               \
+     MAC_OS_X_VERSION_MIN_REQUIRED < 110000)
 #define preadv(fd, bufs, nbufs, off)                                          \
   pread(fd, (bufs)->iov_base, (bufs)->iov_len, off)
 #define pwritev(fd, bufs, nbufs, off)                                         \