diff --git a/src/unix/bsd/apple/mod.rs b/src/unix/bsd/apple/mod.rs
index 6859e3dead53..3e7f073e6017 100644
--- a/src/unix/bsd/apple/mod.rs
+++ b/src/unix/bsd/apple/mod.rs
@@ -4066,14 +4066,14 @@ pub const AF_E164: c_int = AF_ISDN;
 pub const pseudo_AF_KEY: c_int = 29;
 pub const AF_INET6: c_int = 30;
 pub const AF_NATM: c_int = 31;
-pub const AF_SYSTEM: c_int = 32;
+pub const AF_SYSTEM: c_uchar = 32;
 pub const AF_NETBIOS: c_int = 33;
 pub const AF_PPP: c_int = 34;
 pub const pseudo_AF_HDRCMPLT: c_int = 35;
 pub const AF_IEEE80211: c_int = 37;
 pub const AF_UTUN: c_int = 38;
 pub const AF_VSOCK: c_int = 40;
-pub const AF_SYS_CONTROL: c_int = 2;
+pub const AF_SYS_CONTROL: u16 = 2;
 
 pub const SYSPROTO_EVENT: c_int = 1;
 pub const SYSPROTO_CONTROL: c_int = 2;
@@ -4111,7 +4111,7 @@ pub const PF_ISDN: c_int = AF_ISDN;
 pub const PF_KEY: c_int = pseudo_AF_KEY;
 pub const PF_INET6: c_int = AF_INET6;
 pub const PF_NATM: c_int = AF_NATM;
-pub const PF_SYSTEM: c_int = AF_SYSTEM;
+pub const PF_SYSTEM: c_int = AF_SYSTEM as c_int;
 pub const PF_NETBIOS: c_int = AF_NETBIOS;
 pub const PF_PPP: c_int = AF_PPP;
 pub const PF_VSOCK: c_int = AF_VSOCK;