diff --git a/src/restic/repository/packer_manager.go b/src/restic/repository/packer_manager.go
index 9622ebb9a..de1f97c74 100644
--- a/src/restic/repository/packer_manager.go
+++ b/src/restic/repository/packer_manager.go
@@ -32,9 +32,9 @@ const minPackSize = 4 * 1024 * 1024
 const maxPackSize = 16 * 1024 * 1024
 const maxPackers = 200
 
-// NewPackerManager returns an new packer manager which writes temporary files
+// newPackerManager returns an new packer manager which writes temporary files
 // to a temporary directory
-func NewPackerManager(be Saver, key *crypto.Key) *packerManager {
+func newPackerManager(be Saver, key *crypto.Key) *packerManager {
 	return &packerManager{
 		be:  be,
 		key: key,
diff --git a/src/restic/repository/packer_manager_test.go b/src/restic/repository/packer_manager_test.go
index dedca4c60..70a3c816c 100644
--- a/src/restic/repository/packer_manager_test.go
+++ b/src/restic/repository/packer_manager_test.go
@@ -145,7 +145,7 @@ func TestPackerManager(t *testing.T) {
 	rnd := newRandReader(rand.NewSource(23))
 
 	be := mem.New()
-	pm := NewPackerManager(be, crypto.NewRandomKey())
+	pm := newPackerManager(be, crypto.NewRandomKey())
 
 	blobBuf := make([]byte, maxBlobSize)
 
@@ -159,7 +159,7 @@ func BenchmarkPackerManager(t *testing.B) {
 	rnd := newRandReader(rand.NewSource(23))
 
 	be := &fakeBackend{}
-	pm := NewPackerManager(be, crypto.NewRandomKey())
+	pm := newPackerManager(be, crypto.NewRandomKey())
 	blobBuf := make([]byte, maxBlobSize)
 
 	t.ResetTimer()
diff --git a/src/restic/repository/repository.go b/src/restic/repository/repository.go
index 5d28ee4a7..e7e2e5ada 100644
--- a/src/restic/repository/repository.go
+++ b/src/restic/repository/repository.go
@@ -31,7 +31,7 @@ func New(be backend.Backend) *Repository {
 	repo := &Repository{
 		be:            be,
 		idx:           NewMasterIndex(),
-		packerManager: NewPackerManager(be, nil),
+		packerManager: newPackerManager(be, nil),
 	}
 
 	return repo