diff --git a/serial_linux.go b/serial_linux.go
index 65420f3..ba0e802 100644
--- a/serial_linux.go
+++ b/serial_linux.go
@@ -5,6 +5,7 @@ package serial
 import (
 	"fmt"
 	"os"
+	"syscall"
 	"time"
 	"unsafe"
 
@@ -95,6 +96,10 @@ func openPort(name string, baud int, databits byte, parity Parity, stopbits Stop
 		cflagToUse |= unix.PARODD
 	case ParityEven:
 		cflagToUse |= unix.PARENB
+	case ParityMark:
+		cflagToUse |= syscall.PARENB
+		cflagToUse |= unix.CMSPAR
+		cflagToUse |= syscall.PARODD
 	default:
 		return nil, ErrBadParity
 	}