diff --git a/liqpay.go b/liqpay.go
index cfcbbd7..23cbc74 100644
--- a/liqpay.go
+++ b/liqpay.go
@@ -12,11 +12,23 @@ import (
 	"net/url"
 )
 
-const liqpayURL = "https://www.liqpay.ua/api/"
+const (
+	liqpayURL = "https://www.liqpay.ua/api/"
+)
+
+var (
+	allowedLangs = []string{"uk", "ru", "en"}
+	buttonLabel  = map[string]string{
+		"uk": "Сплатити",
+		"en": "Pay",
+		"ru": "Оплатить",
+	}
+)
 
 type formData struct {
 	Data      string
 	Signature string
+	Label     string
 }
 
 type Client struct {
@@ -102,6 +114,7 @@ func (c Client) RenderForm(req Request) (string, error) {
 	if err := t.Execute(&buf, formData{
 		Data:      encodedJSON,
 		Signature: signature,
+		Label:     buttonLabel[req.getLang()],
 	}); err != nil {
 		return "", err
 	}
@@ -115,6 +128,19 @@ func (r Request) addMissingPubKey(key string) {
 	r["public_key"] = key
 }
 
+func (r Request) getLang() string {
+	lang, contains := r["language"].(string)
+	if contains {
+		for _, allowedLang := range allowedLangs {
+			if lang == allowedLang {
+				return lang
+			}
+		}
+	}
+
+	return "uk"
+}
+
 func (r Request) Encode() (string, error) {
 	obj, err := json.Marshal(r)
 	if err != nil {
diff --git a/liqpay_form.html b/liqpay_form.html
index c11e1ae..b70b8af 100644
--- a/liqpay_form.html
+++ b/liqpay_form.html
@@ -1,5 +1,6 @@
 <form method="POST" action="https://www.liqpay.ua/api/3/checkout" accept-charset="utf-8">
     <input type="hidden" name="data" value="{{.Data}}"/>
     <input type="hidden" name="signature" value="{{.Signature}}"/>
-    <input type="image" src="https://static.liqpay.ua/buttons/p1ru.radius.png"/>
+    <script type="text/javascript" src="https://static.liqpay.ua/libjs/sdk_button.js"></script>
+    <sdk-button label="{{.Label}}" background="#77CC5D" onClick="submit()"></sdk-button>
 </form>
\ No newline at end of file
diff --git a/liqpay_test.go b/liqpay_test.go
index 142771d..8a4b9e0 100644
--- a/liqpay_test.go
+++ b/liqpay_test.go
@@ -93,10 +93,11 @@ func TestClient_RenderForm(t *testing.T) {
 				},
 			},
 			want: `<form method="POST" action="https://www.liqpay.ua/api/3/checkout" accept-charset="utf-8">
-    					<input type="hidden" name="data" value="eyJudW0iOjEyNCwicHVibGljX2tleSI6InRlc3RfcHViX2tleSIsInN0ciI6InZhbHVlIn0="/>
-    					<input type="hidden" name="signature" value="9Altos5Ex1c7MX5uoKSrKXFK3mQ="/>
-    					<input type="image" src="https://static.liqpay.ua/buttons/p1ru.radius.png"/>
-					</form>`,
+    <input type="hidden" name="data" value="eyJudW0iOjEyNCwicHVibGljX2tleSI6InRlc3RfcHViX2tleSIsInN0ciI6InZhbHVlIn0="/>
+    <input type="hidden" name="signature" value="9Altos5Ex1c7MX5uoKSrKXFK3mQ="/>
+    <script type="text/javascript" src="https://static.liqpay.ua/libjs/sdk_button.js"></script>
+    <sdk-button label="Сплатити" background="#77CC5D" onClick="submit()"></sdk-button>
+</form>`,
 			wantErr: false,
 		},
 	}