diff --git a/constants.go b/constants.go
index 11542f9b..733ceed8 100644
--- a/constants.go
+++ b/constants.go
@@ -9,6 +9,8 @@ const (
 	protocolVersion = 0
 	// DefaultPort is the default port listened by server.
 	DefaultPort = 2181
+	// LockPrefix is the prefix used for lock nodes in ZooKeeper.
+	LockPrefix = "lock-"
 )
 
 const (
diff --git a/lock.go b/lock.go
index 60dff898..d7cd1bdf 100644
--- a/lock.go
+++ b/lock.go
@@ -35,8 +35,8 @@ func NewLock(c *Conn, path string, acl []ACL) *Lock {
 	}
 }
 
-func parseSeq(path string) (int, error) {
-	parts := strings.Split(path, "lock-")
+func ParseSeq(path string) (int, error) {
+	parts := strings.Split(path, LockPrefix)
 	// python client uses a __LOCK__ prefix
 	if len(parts) == 1 {
 		parts = strings.Split(path, "__")
@@ -71,7 +71,7 @@ func (l *Lock) LockWithDataCtx(ctx context.Context, data []byte) error {
 		return ErrDeadlock
 	}
 
-	prefix := fmt.Sprintf("%s/lock-", l.path)
+	prefix := fmt.Sprintf("%s/%s", l.path, LockPrefix)
 	path := ""
 
 	var err error
@@ -106,7 +106,7 @@ func (l *Lock) LockWithDataCtx(ctx context.Context, data []byte) error {
 		return err
 	}
 
-	seq, err := parseSeq(path)
+	seq, err := ParseSeq(path)
 	if err != nil {
 		return err
 	}
@@ -130,7 +130,7 @@ func (l *Lock) LockWithDataCtx(ctx context.Context, data []byte) error {
 		prevSeq := -1
 		prevSeqPath := ""
 		for _, p := range children {
-			s, err := parseSeq(p)
+			s, err := ParseSeq(p)
 			if err != nil {
 				return err
 			}
diff --git a/lock_test.go b/lock_test.go
index fc23e569..da14d279 100644
--- a/lock_test.go
+++ b/lock_test.go
@@ -93,13 +93,13 @@ func TestMultiLevelLock(t *testing.T) {
 }
 
 func TestParseSeq(t *testing.T) {
-	const (
-		goLock       = "_c_38553bd6d1d57f710ae70ddcc3d24715-lock-0000000000"
-		negativeLock = "_c_38553bd6d1d57f710ae70ddcc3d24715-lock--2147483648"
+	var (
+		goLock       = "_c_38553bd6d1d57f710ae70ddcc3d24715-" + LockPrefix + "0000000000"
+		negativeLock = "_c_38553bd6d1d57f710ae70ddcc3d24715-" + LockPrefix + "-2147483648"
 		pyLock       = "da5719988c244fc793f49ec3aa29b566__lock__0000000003"
 	)
 
-	seq, err := parseSeq(goLock)
+	seq, err := ParseSeq(goLock)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -107,7 +107,7 @@ func TestParseSeq(t *testing.T) {
 		t.Fatalf("Expected 0 instead of %d", seq)
 	}
 
-	seq, err = parseSeq(negativeLock)
+	seq, err = ParseSeq(negativeLock)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -115,7 +115,7 @@ func TestParseSeq(t *testing.T) {
 		t.Fatalf("Expected -2147483648 instead of %d", seq)
 	}
 
-	seq, err = parseSeq(pyLock)
+	seq, err = ParseSeq(pyLock)
 	if err != nil {
 		t.Fatal(err)
 	}