diff --git a/src/unix/newlib/aarch64/mod.rs b/src/unix/newlib/aarch64/mod.rs
index 5d4b46ddf7320cbfcced8d6fafef177c43807424..71aa894922bbe0ac366268c534346aab4d85d26d 100644
--- a/src/unix/newlib/aarch64/mod.rs
+++ b/src/unix/newlib/aarch64/mod.rs
@@ -30,6 +30,8 @@ s! {
     }
 }
 
+pub const AF_INET6: ::c_int = 23;
+
 pub const FIONBIO: ::c_ulong = 1;
 
 pub const POLLIN: ::c_short = 0x1;
diff --git a/src/unix/newlib/arm/mod.rs b/src/unix/newlib/arm/mod.rs
index d322707f42ff72336c0bfd0b2a53a7bc581d1c1c..78bea276533d51f444b7edc7c03ffb4b0cb6dada 100644
--- a/src/unix/newlib/arm/mod.rs
+++ b/src/unix/newlib/arm/mod.rs
@@ -32,6 +32,8 @@ s! {
     }
 }
 
+pub const AF_INET6: ::c_int = 23;
+
 pub const FIONBIO: ::c_ulong = 1;
 
 pub const POLLIN: ::c_short = 0x1;
diff --git a/src/unix/newlib/mod.rs b/src/unix/newlib/mod.rs
index 0e22d60b308d7c366ea7f73c7ec1cf659c25eb16..55cb889aabe4243c4e1bfa1c160f0dcf92a2178e 100644
--- a/src/unix/newlib/mod.rs
+++ b/src/unix/newlib/mod.rs
@@ -416,7 +416,6 @@ pub const PF_INET6: ::c_int = 23;
 
 pub const AF_UNSPEC: ::c_int = 0;
 pub const AF_INET: ::c_int = 2;
-pub const AF_INET6: ::c_int = 23;
 
 pub const CLOCK_REALTIME: ::clockid_t = 1;
 pub const CLOCK_MONOTONIC: ::clockid_t = 4;
diff --git a/src/unix/newlib/xtensa/mod.rs b/src/unix/newlib/xtensa/mod.rs
index c9803f0b6d61cb9ddd6af9f5538aa8fea56ff519..bc31506b5d574508de6b2d517d45f3e3ad50349f 100644
--- a/src/unix/newlib/xtensa/mod.rs
+++ b/src/unix/newlib/xtensa/mod.rs
@@ -60,6 +60,7 @@ s! {
 }
 
 pub const AF_UNIX: ::c_int = 1;
+pub const AF_INET6: ::c_int = 10;
 
 pub const FIONBIO: ::c_ulong = 2147772030;