diff --git a/cmd/mount/read.go b/cmd/mount/read.go
index f3b8ca993..3fd4f0128 100644
--- a/cmd/mount/read.go
+++ b/cmd/mount/read.go
@@ -44,7 +44,7 @@ func (fh *ReadFileHandle) seek(offset int64) error {
 	// Can we seek it directly?
 	if do, ok := fh.r.(io.Seeker); ok {
 		fs.Debug(fh.o, "ReadFileHandle.seek from %d to %d (io.Seeker)", fh.offset, offset)
-		_, err := do.Seek(offset, io.SeekStart)
+		_, err := do.Seek(offset, 0)
 		if err != nil {
 			fs.Debug(fh.o, "ReadFileHandle.Read io.Seeker failed: %v", err)
 			return err
diff --git a/crypt/cipher.go b/crypt/cipher.go
index 3b92d81d8..87747a553 100644
--- a/crypt/cipher.go
+++ b/crypt/cipher.go
@@ -542,7 +542,7 @@ func (c *cipher) newDecrypterSeek(open OpenAtOffset, offset int64) (fh *decrypte
 	}
 	fh.open = open // will be called by fh.Seek
 	if offset != 0 {
-		_, err = fh.Seek(offset, io.SeekStart)
+		_, err = fh.Seek(offset, 0)
 		if err != nil {
 			_ = fh.Close()
 			return nil, err
@@ -593,7 +593,7 @@ func (fh *decrypter) Seek(offset int64, whence int) (int64, error) {
 	if fh.open == nil {
 		return 0, fh.finish(errors.New("can't seek - not initialised with newDecrypterSeek"))
 	}
-	if whence != io.SeekStart {
+	if whence != 0 {
 		return 0, fh.finish(errors.New("can only seek from the start"))
 	}
 
@@ -606,7 +606,7 @@ func (fh *decrypter) Seek(offset int64, whence int) (int64, error) {
 
 	// Can we seek it directly?
 	if do, ok := fh.rc.(io.Seeker); ok {
-		_, err := do.Seek(offset, io.SeekStart)
+		_, err := do.Seek(offset, 0)
 		if err != nil {
 			return 0, fh.finish(err)
 		}
diff --git a/crypt/cipher_test.go b/crypt/cipher_test.go
index 76dcd1133..384b83155 100644
--- a/crypt/cipher_test.go
+++ b/crypt/cipher_test.go
@@ -895,7 +895,7 @@ func TestNewDecrypterSeek(t *testing.T) {
 	// Now try decoding it with a single open and lots of seeks
 	rc, err := c.DecryptDataSeek(open, 0)
 	for _, offset := range trials {
-		_, err := rc.Seek(int64(offset), io.SeekStart)
+		_, err := rc.Seek(int64(offset), 0)
 		assert.NoError(t, err)
 
 		seekedDecrypted, err := ioutil.ReadAll(rc)