diff --git a/mastodon.go b/mastodon.go
index 0706981..c704e10 100644
--- a/mastodon.go
+++ b/mastodon.go
@@ -230,6 +230,7 @@ type Toot struct {
 	Sensitive   bool       `json:"sensitive"`
 	SpoilerText string     `json:"spoiler_text"`
 	Visibility  string     `json:"visibility"`
+	Language    string     `json:"language"`
 	ScheduledAt *time.Time `json:"scheduled_at,omitempty"`
 	Poll        *TootPoll  `json:"poll"`
 }
diff --git a/mastodon_test.go b/mastodon_test.go
index ff3fc5c..0ef9d07 100644
--- a/mastodon_test.go
+++ b/mastodon_test.go
@@ -252,6 +252,9 @@ func TestPostStatusParams(t *testing.T) {
 		if r.FormValue("visibility") != "" {
 			s.Visibility = (r.FormValue("visibility"))
 		}
+		if r.FormValue("language") != "" {
+			s.Language = (r.FormValue("language"))
+		}
 		if r.FormValue("sensitive") == "true" {
 			s.Sensitive = true
 			s.SpoilerText = fmt.Sprintf("<p>%s</p>", r.FormValue("spoiler_text"))
@@ -288,6 +291,7 @@ func TestPostStatusParams(t *testing.T) {
 		Status:      "foobar",
 		InReplyToID: ID("2"),
 		Visibility:  "unlisted",
+		Language:    "sv",
 		Sensitive:   true,
 		SpoilerText: "bar",
 		MediaIDs:    []ID{"1", "2"},
@@ -310,6 +314,9 @@ func TestPostStatusParams(t *testing.T) {
 	if s.Visibility != "unlisted" {
 		t.Fatalf("want %q but %q", "unlisted", s.Visibility)
 	}
+	if s.Language != "sv" {
+		t.Fatalf("want %q but %q", "sv", s.Language)
+	}
 	if s.Sensitive != true {
 		t.Fatalf("want %t but %t", true, s.Sensitive)
 	}
diff --git a/status.go b/status.go
index e616366..f5cc451 100644
--- a/status.go
+++ b/status.go
@@ -365,6 +365,9 @@ func (c *Client) PostStatus(ctx context.Context, toot *Toot) (*Status, error) {
 	if toot.Visibility != "" {
 		params.Set("visibility", fmt.Sprint(toot.Visibility))
 	}
+	if toot.Language != "" {
+		params.Set("language", fmt.Sprint(toot.Language))
+	}
 	if toot.Sensitive {
 		params.Set("sensitive", "true")
 	}