diff --git a/src/unix/bsd/apple/mod.rs b/src/unix/bsd/apple/mod.rs
index 857a2badeeb3a83c7f1cecb5b4339b0faf3d813e..b6984ecd4c4be49a625a84ad710444c84b6d3b7e 100644
--- a/src/unix/bsd/apple/mod.rs
+++ b/src/unix/bsd/apple/mod.rs
@@ -1406,6 +1406,7 @@ pub const O_DSYNC: ::c_int = 0x400000;
 pub const O_NOCTTY: ::c_int = 0x20000;
 pub const O_CLOEXEC: ::c_int = 0x1000000;
 pub const O_DIRECTORY: ::c_int = 0x100000;
+pub const O_SYMLINK: ::c_int = 0x200000;
 pub const S_IFIFO: mode_t = 4096;
 pub const S_IFCHR: mode_t = 8192;
 pub const S_IFBLK: mode_t = 24576;