diff --git a/src/unix/bsd/freebsdlike/dragonfly/mod.rs b/src/unix/bsd/freebsdlike/dragonfly/mod.rs
index dd7cf1a3bd3c9608e28b02adb30663b503c42170..b775bd3ac39201e900bf4e26917608c784a96dfd 100644
--- a/src/unix/bsd/freebsdlike/dragonfly/mod.rs
+++ b/src/unix/bsd/freebsdlike/dragonfly/mod.rs
@@ -222,6 +222,8 @@ pub const O_DIRECTORY: ::c_int = 0x08000000;
 pub const F_GETLK: ::c_int = 7;
 pub const F_SETLK: ::c_int = 8;
 pub const F_SETLKW: ::c_int = 9;
+pub const ENOMEDIUM: ::c_int = 93;
+pub const EASYNC: ::c_int = 99;
 pub const ELAST: ::c_int = 99;
 pub const RLIMIT_POSIXLOCKS: ::c_int = 11;
 pub const RLIM_NLIMITS: ::rlim_t = 12;