diff --git a/src/unix/bsd/apple/mod.rs b/src/unix/bsd/apple/mod.rs
index 432e73e19d84d8d75fe95865aa9e14b12f27de2d..1185ecfdc936578c4622b0b071b60afd77b6d0cc 100644
--- a/src/unix/bsd/apple/mod.rs
+++ b/src/unix/bsd/apple/mod.rs
@@ -2498,6 +2498,7 @@ pub const PTHREAD_RWLOCK_INITIALIZER: pthread_rwlock_t = pthread_rwlock_t {
     __opaque: [0; __PTHREAD_RWLOCK_SIZE__],
 };
 
+pub const MINSIGSTKSZ: ::size_t = 32768;
 pub const SIGSTKSZ: ::size_t = 131072;
 
 pub const FD_SETSIZE: usize = 1024;