diff --git a/src/unix/notbsd/linux/musl.rs b/src/unix/notbsd/linux/musl.rs
index 31f97f64..86f0ee69 100644
--- a/src/unix/notbsd/linux/musl.rs
+++ b/src/unix/notbsd/linux/musl.rs
@@ -7,6 +7,9 @@ pub const RUSAGE_CHILDREN: ::c_int = 1;
 pub const NI_MAXHOST: ::socklen_t = 255;
 pub const PTHREAD_STACK_MIN: ::size_t = 2048;
 
+pub const FIOCLEX: ::c_int = 0x5451;
+pub const FIONBIO: ::c_int = 0x5421;
+
 extern {
     pub fn ioctl(fd: ::c_int, request: ::c_int, ...) -> ::c_int;
 }
diff --git a/src/unix/notbsd/linux/notmips/mod.rs b/src/unix/notbsd/linux/notmips/mod.rs
index 79c8d561..dfb26e21 100644
--- a/src/unix/notbsd/linux/notmips/mod.rs
+++ b/src/unix/notbsd/linux/notmips/mod.rs
@@ -168,9 +168,6 @@ pub const TCP_REPAIR_OPTIONS: ::c_int = 22;
 pub const TCP_FASTOPEN: ::c_int = 23;
 pub const TCP_TIMESTAMP: ::c_int = 24;
 
-pub const FIOCLEX: ::c_ulong = 0x5451;
-pub const FIONBIO: ::c_ulong = 0x5421;
-
 pub const SA_ONSTACK: ::c_int = 0x08000000;
 pub const SA_SIGINFO: ::c_int = 0x00000004;
 pub const SA_NOCLDWAIT: ::c_int = 0x00000002;
diff --git a/src/unix/notbsd/linux/notmusl.rs b/src/unix/notbsd/linux/notmusl.rs
index 8a7594f5..956d7056 100644
--- a/src/unix/notbsd/linux/notmusl.rs
+++ b/src/unix/notbsd/linux/notmusl.rs
@@ -24,6 +24,9 @@ pub const RUSAGE_CHILDREN: ::c_int = -1;
 pub const ST_RELATIME: ::c_ulong = 4096;
 pub const NI_MAXHOST: ::socklen_t = 1025;
 
+pub const FIOCLEX: ::c_ulong = 0x5451;
+pub const FIONBIO: ::c_ulong = 0x5421;
+
 cfg_if! {
     if #[cfg(any(target_arch = "arm", target_arch = "x86",
                         target_arch = "x86_64"))] {