diff --git a/src/cmd/go/internal/modfetch/gitrepo/fetch_test.go b/src/cmd/go/internal/modfetch/gitrepo/fetch_test.go
index 622249e67d..cc86cd9cba 100644
--- a/src/cmd/go/internal/modfetch/gitrepo/fetch_test.go
+++ b/src/cmd/go/internal/modfetch/gitrepo/fetch_test.go
@@ -16,6 +16,7 @@ import (
 	"os/exec"
 	"path/filepath"
 	"reflect"
+	"runtime"
 	"strings"
 	"testing"
 	"time"
@@ -42,6 +43,12 @@ func testMain(m *testing.M) int {
 		return 0
 	}
 
+	if runtime.GOOS == "plan9" {
+		fmt.Fprintln(os.Stderr, "skipping on plan9")
+		fmt.Println("PASS")
+		return 0
+	}
+
 	dir, err := ioutil.TempDir("", "gitrepo-test-")
 	if err != nil {
 		log.Fatal(err)