diff --git a/nettest/nettest.go b/nettest/nettest.go
index ae5413b23..6918f2c36 100644
--- a/nettest/nettest.go
+++ b/nettest/nettest.go
@@ -218,7 +218,11 @@ func NewLocalPacketListener(network string) (net.PacketConn, error) {
 // LocalPath returns a local path that can be used for Unix-domain
 // protocol testing.
 func LocalPath() (string, error) {
-	f, err := ioutil.TempFile("", "go-nettest")
+	dir := ""
+	if runtime.GOOS == "darwin" {
+		dir = "/tmp"
+	}
+	f, err := ioutil.TempFile(dir, "go-nettest")
 	if err != nil {
 		return "", err
 	}