diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index ff195d1..94707b7 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -46,6 +46,7 @@ jobs:
           - "openbsd amd64"
           - "openbsd 386"
           - "openbsd arm"
+          - "linux ppc64le"
 
     runs-on: "ubuntu-latest"
 
diff --git a/serial_linux.go b/serial_linux.go
index eab3803..1a447d8 100644
--- a/serial_linux.go
+++ b/serial_linux.go
@@ -83,15 +83,3 @@ func setTermSettingsBaudrate(speed int, settings *unix.Termios) (error, bool) {
 	settings.Ospeed = toTermiosSpeedType(baudrate)
 	return nil, false
 }
-
-func (port *unixPort) setSpecialBaudrate(speed uint32) error {
-	settings, err := unix.IoctlGetTermios(port.handle, unix.TCGETS2)
-	if err != nil {
-		return err
-	}
-	settings.Cflag &^= unix.CBAUD
-	settings.Cflag |= unix.BOTHER
-	settings.Ispeed = speed
-	settings.Ospeed = speed
-	return unix.IoctlSetTermios(port.handle, unix.TCSETS2, settings)
-}
diff --git a/serial_specialbaudrate_linux.go b/serial_specialbaudrate_linux.go
new file mode 100644
index 0000000..d6baffb
--- /dev/null
+++ b/serial_specialbaudrate_linux.go
@@ -0,0 +1,24 @@
+// +build linux
+// +build !ppc64le
+
+//
+// Copyright 2014-2021 Cristian Maglie. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+
+package serial
+
+import "golang.org/x/sys/unix"
+
+func (port *unixPort) setSpecialBaudrate(speed uint32) error {
+	settings, err := unix.IoctlGetTermios(port.handle, unix.TCGETS2)
+	if err != nil {
+		return err
+	}
+	settings.Cflag &^= unix.CBAUD
+	settings.Cflag |= unix.BOTHER
+	settings.Ispeed = speed
+	settings.Ospeed = speed
+	return unix.IoctlSetTermios(port.handle, unix.TCSETS2, settings)
+}
diff --git a/serial_specialbaudrate_linux_ppc64le.go b/serial_specialbaudrate_linux_ppc64le.go
new file mode 100644
index 0000000..4db8cc7
--- /dev/null
+++ b/serial_specialbaudrate_linux_ppc64le.go
@@ -0,0 +1,12 @@
+//
+// Copyright 2014-2021 Cristian Maglie. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+
+package serial
+
+func (port *unixPort) setSpecialBaudrate(speed uint32) error {
+	// TODO: unimplemented
+	return &PortError{code: InvalidSpeed}
+}