diff --git a/archive/archive.go b/archive/archive.go
index b1400c2210..3a1c111ea2 100644
--- a/archive/archive.go
+++ b/archive/archive.go
@@ -5,6 +5,7 @@ import (
 	"bytes"
 	"compress/bzip2"
 	"compress/gzip"
+	"errors"
 	"fmt"
 	"github.com/dotcloud/docker/utils"
 	"io"
@@ -17,14 +18,18 @@ import (
 	"syscall"
 )
 
-type Archive io.Reader
+type (
+	Archive     io.Reader
+	Compression int
+	TarOptions  struct {
+		Includes    []string
+		Compression Compression
+	}
+)
 
-type Compression int
-
-type TarOptions struct {
-	Includes    []string
-	Compression Compression
-}
+var (
+	ErrNotImplemented = errors.New("Function not implemented")
+)
 
 const (
 	Uncompressed Compression = iota
@@ -236,14 +241,14 @@ func createTarFile(path, extractDir string, hdr *tar.Header, reader *tar.Reader)
 		return fmt.Errorf("Unhandled tar header type %d\n", hdr.Typeflag)
 	}
 
-	if err := syscall.Lchown(path, hdr.Uid, hdr.Gid); err != nil {
+	if err := os.Lchown(path, hdr.Uid, hdr.Gid); err != nil {
 		return err
 	}
 
 	// There is no LChmod, so ignore mode for symlink. Also, this
 	// must happen after chown, as that can modify the file mode
 	if hdr.Typeflag != tar.TypeSymlink {
-		if err := syscall.Chmod(path, uint32(hdr.Mode&07777)); err != nil {
+		if err := os.Chmod(path, os.FileMode(hdr.Mode&07777)); err != nil {
 			return err
 		}
 	}
@@ -251,7 +256,7 @@ func createTarFile(path, extractDir string, hdr *tar.Header, reader *tar.Reader)
 	ts := []syscall.Timespec{timeToTimespec(hdr.AccessTime), timeToTimespec(hdr.ModTime)}
 	// syscall.UtimesNano doesn't support a NOFOLLOW flag atm, and
 	if hdr.Typeflag != tar.TypeSymlink {
-		if err := syscall.UtimesNano(path, ts); err != nil {
+		if err := UtimesNano(path, ts); err != nil {
 			return err
 		}
 	} else {
diff --git a/archive/stat_linux.go b/archive/stat_linux.go
index 2f7a520ccd..f87a99c55a 100644
--- a/archive/stat_linux.go
+++ b/archive/stat_linux.go
@@ -30,3 +30,10 @@ func LUtimesNano(path string, ts []syscall.Timespec) error {
 
 	return nil
 }
+
+func UtimesNano(path string, ts []syscall.Timespec) error {
+	if err := syscall.UtimesNano(path, ts); err != nil {
+		return err
+	}
+	return nil
+}
diff --git a/archive/stat_darwin.go b/archive/stat_unsupported.go
similarity index 67%
rename from archive/stat_darwin.go
rename to archive/stat_unsupported.go
index 32203299dd..50ca461867 100644
--- a/archive/stat_darwin.go
+++ b/archive/stat_unsupported.go
@@ -1,4 +1,4 @@
-// +build !linux !amd64
+// +build !linux
 
 package archive
 
@@ -13,5 +13,9 @@ func getLastModification(stat *syscall.Stat_t) syscall.Timespec {
 }
 
 func LUtimesNano(path string, ts []syscall.Timespec) error {
-	return nil
+	return ErrNotImplemented
+}
+
+func UtimesNano(path string, ts []syscall.Timespec) error {
+	return ErrNotImplemented
 }