diff --git a/td/generate/scheme/td_api.tl b/td/generate/scheme/td_api.tl
index e8692e075..37a80c052 100644
--- a/td/generate/scheme/td_api.tl
+++ b/td/generate/scheme/td_api.tl
@@ -6438,8 +6438,8 @@ clickPremiumSubscriptionButton = Ok;
 //@description Returns state of Telegram Premium subscription and promotion videos for Premium features
 getPremiumState = PremiumState;
 
-//@description Checks whether Telegram Premium purchase is possible. Must be called before in-store Premium purchase
-canPurchasePremium = Ok;
+//@description Checks whether Telegram Premium purchase is possible. Must be called before in-store Premium purchase @purpose Transaction purpose
+canPurchasePremium purpose:StorePaymentPurpose = Ok;
 
 //@description Informs server about a purchase through App Store. For official applications only @receipt App Store receipt @purpose Transaction purpose
 assignAppStoreTransaction receipt:bytes purpose:StorePaymentPurpose = Ok;
diff --git a/td/telegram/Premium.cpp b/td/telegram/Premium.cpp
index a1d08b48c..6bcccfd8b 100644
--- a/td/telegram/Premium.cpp
+++ b/td/telegram/Premium.cpp
@@ -176,9 +176,14 @@ class CanPurchasePremiumQuery final : public Td::ResultHandler {
   explicit CanPurchasePremiumQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
   }
 
-  void send() {
-    send_query(G()->net_query_creator().create(telegram_api::payments_canPurchasePremium(
-        make_tl_object<telegram_api::inputStorePaymentPremiumSubscription>(0, false /*ignored*/))));
+  void send(td_api::object_ptr<td_api::StorePaymentPurpose> &&purpose) {
+    auto r_input_purpose = get_input_store_payment_purpose(td_, purpose);
+    if (r_input_purpose.is_error()) {
+      return on_error(r_input_purpose.move_as_error());
+    }
+
+    send_query(
+        G()->net_query_creator().create(telegram_api::payments_canPurchasePremium(r_input_purpose.move_as_ok())));
   }
 
   void on_result(BufferSlice packet) final {
@@ -506,8 +511,8 @@ void get_premium_state(Td *td, Promise<td_api::object_ptr<td_api::premiumState>>
   td->create_handler<GetPremiumPromoQuery>(std::move(promise))->send();
 }
 
-void can_purchase_premium(Td *td, Promise<Unit> &&promise) {
-  td->create_handler<CanPurchasePremiumQuery>(std::move(promise))->send();
+void can_purchase_premium(Td *td, td_api::object_ptr<td_api::StorePaymentPurpose> &&purpose, Promise<Unit> &&promise) {
+  td->create_handler<CanPurchasePremiumQuery>(std::move(promise))->send(std::move(purpose));
 }
 
 void assign_app_store_transaction(Td *td, const string &receipt,
diff --git a/td/telegram/Premium.h b/td/telegram/Premium.h
index aa16927ec..c8422f0ad 100644
--- a/td/telegram/Premium.h
+++ b/td/telegram/Premium.h
@@ -30,7 +30,7 @@ void click_premium_subscription_button(Td *td, Promise<Unit> &&promise);
 
 void get_premium_state(Td *td, Promise<td_api::object_ptr<td_api::premiumState>> &&promise);
 
-void can_purchase_premium(Td *td, Promise<Unit> &&promise);
+void can_purchase_premium(Td *td, td_api::object_ptr<td_api::StorePaymentPurpose> &&purpose, Promise<Unit> &&promise);
 
 void assign_app_store_transaction(Td *td, const string &receipt,
                                   td_api::object_ptr<td_api::StorePaymentPurpose> &&purpose, Promise<Unit> &&promise);
diff --git a/td/telegram/Td.cpp b/td/telegram/Td.cpp
index 1572d1faf..d97e1a314 100644
--- a/td/telegram/Td.cpp
+++ b/td/telegram/Td.cpp
@@ -7917,10 +7917,10 @@ void Td::on_request(uint64 id, const td_api::getPremiumState &request) {
   get_premium_state(this, std::move(promise));
 }
 
-void Td::on_request(uint64 id, const td_api::canPurchasePremium &request) {
+void Td::on_request(uint64 id, td_api::canPurchasePremium &request) {
   CHECK_IS_USER();
   CREATE_OK_REQUEST_PROMISE();
-  can_purchase_premium(this, std::move(promise));
+  can_purchase_premium(this, std::move(request.purpose_), std::move(promise));
 }
 
 void Td::on_request(uint64 id, td_api::assignAppStoreTransaction &request) {
diff --git a/td/telegram/Td.h b/td/telegram/Td.h
index 5abc5b7f9..0405851bb 100644
--- a/td/telegram/Td.h
+++ b/td/telegram/Td.h
@@ -1307,7 +1307,7 @@ class Td final : public Actor {
 
   void on_request(uint64 id, const td_api::getPremiumState &request);
 
-  void on_request(uint64 id, const td_api::canPurchasePremium &request);
+  void on_request(uint64 id, td_api::canPurchasePremium &request);
 
   void on_request(uint64 id, td_api::assignAppStoreTransaction &request);