diff --git a/separator.go b/separator.go
index 5493bf0..f6f03c4 100644
--- a/separator.go
+++ b/separator.go
@@ -4,14 +4,19 @@ import "git.tebibyte.media/tomo/tomo"
 
 // Separator is a line for visually separating elements.
 type Separator struct {
-	tomo.Box
+	box tomo.Box
 }
 
 // NewSeparator creates a new separator line.
 func NewSeparator () *Separator {
 	this := &Separator {
-		Box: tomo.NewBox(),
+		box: tomo.NewBox(),
 	}
-	this.SetRole(tomo.R("objects", "Separator"))
+	this.box.SetRole(tomo.R("objects", "Separator"))
 	return this
 }
+
+// GetBox returns the underlying box.
+func (this *Separator) GetBox () tomo.Box {
+	return this.box
+}