diff --git a/src/unix/hurd/mod.rs b/src/unix/hurd/mod.rs
index 1bd41155b7ec6..a7ec46ab5cdd4 100644
--- a/src/unix/hurd/mod.rs
+++ b/src/unix/hurd/mod.rs
@@ -2732,8 +2732,10 @@ pub const MAP_SHARED: ::c_int = 16;
 pub const MAP_PRIVATE: ::c_int = 0;
 pub const MAP_FIXED: ::c_int = 256;
 pub const MAP_NOEXTEND: ::c_int = 512;
-pub const MAP_HASSEMPHORE: ::c_int = 1024;
+pub const MAP_HASSEMAPHORE: ::c_int = 1024;
 pub const MAP_INHERIT: ::c_int = 2048;
+pub const MAP_32BIT: ::c_int = 4096;
+pub const MAP_EXCL: ::c_int = 16384;
 pub const MAP_FAILED: *mut ::c_void = !0 as *mut ::c_void;
 pub const MADV_NORMAL: ::c_int = 0;
 pub const MADV_RANDOM: ::c_int = 1;