diff --git a/src/header/sys_socket/constants.rs b/src/header/sys_socket/constants.rs
index ec42889b..c91ffb1a 100644
--- a/src/header/sys_socket/constants.rs
+++ b/src/header/sys_socket/constants.rs
@@ -75,3 +75,6 @@ pub const SHUT_WR: c_int = 1;
 
 pub const SCM_RIGHTS: c_int = 1;
 pub const SCM_CREDENTIALS: c_int = 2;
+
+pub const IPPROTO_TCP: c_int = 6;
+pub const TCP_NODELAY: c_int = 1;
diff --git a/src/platform/redox/socket.rs b/src/platform/redox/socket.rs
index d223c36f..2faae4f5 100644
--- a/src/platform/redox/socket.rs
+++ b/src/platform/redox/socket.rs
@@ -1051,10 +1051,10 @@ impl PalSocket for Sys {
                 _ => {
                     let metadata = [SocketCall::SetSockOpt as u64, option_name as u64];
                     let payload = unsafe {
-                        slice::from_raw_parts_mut(option_value as *mut u8, option_len as usize)
+                        slice::from_raw_parts(option_value as *const u8, option_len as usize)
                     };
                     let call_flags = CallFlags::empty();
-                    redox_rt::sys::sys_call_rw(
+                    redox_rt::sys::sys_call_wo(
                         socket as usize,
                         payload,
                         CallFlags::empty(),
@@ -1063,6 +1063,24 @@ impl PalSocket for Sys {
                     return Ok(());
                 }
             },
+            crate::header::sys_socket::constants::IPPROTO_TCP => {
+                match option_name {
+                    crate::header::sys_socket::constants::TCP_NODELAY => {
+                        let metadata = [SocketCall::SetSockOpt as u64, option_name as u64];
+                        let payload = unsafe {
+                            slice::from_raw_parts(option_value as *const u8, option_len as usize)
+                        };
+                        redox_rt::sys::sys_call_wo(
+                            socket as usize,
+                            payload,
+                            CallFlags::empty(),
+                            &metadata,
+                        )?;
+                        return Ok(());
+                    }
+                    _ => (),
+                }
+            }
             _ => (),
         }