diff --git a/mastodon.go b/mastodon.go
index 92ecc20..d33850c 100644
--- a/mastodon.go
+++ b/mastodon.go
@@ -148,11 +148,13 @@ func newClient(config *Config) *Client {
 	}
 }
 
+type Visibility string
+
 const (
-	VisibilityPublic        = "public"
-	VisibilityUnlisted      = "unlisted"
-	VisibilityFollowersOnly = "private"
-	VisibilityDirectMessage = "direct"
+	Public        Visibility = "public"
+	Unlisted      Visibility = "unlisted"
+	FollowersOnly Visibility = "private"
+	DirectMessage Visibility = "direct"
 )
 
 type Toot struct {