src/os/getwd.go | 2 +-

diff --git a/src/os/getwd.go b/src/os/getwd.go
index 87ad8eb13703e50f1c0b6aaf45464dcd69890982..6d25466bb44e27070ed8cc469941f150f52a3c90 100644
--- a/src/os/getwd.go
+++ b/src/os/getwd.go
@@ -24,7 +24,7 @@ // current directory. If the current directory can be
 // reached via multiple paths (due to symbolic links),
 // Getwd may return any one of them.
 func Getwd() (dir string, err error) {
-	if runtime.GOOS == "windows" {
+	if runtime.GOOS == "windows" || runtime.GOOS == "plan9" {
 		return syscall.Getwd()
 	}