diff --git a/pyproject.toml b/pyproject.toml
index 8bf5579..2c4cc59 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "stonfi"
-version = "0.8"
+version = "0.9"
 description = "Async Python SDK for StonFi DEX"
 authors = [
     {name = "LapisMYT (Nikita Gavrilin)", email = "nikitagavrilin005@gmail.com"}
diff --git a/stonfi/contracts/dex/v1/router.py b/stonfi/contracts/dex/v1/router.py
index 893f342..200b33b 100644
--- a/stonfi/contracts/dex/v1/router.py
+++ b/stonfi/contracts/dex/v1/router.py
@@ -112,7 +112,7 @@ async def build_swap_ton_to_jetton_tx_params(self,
         
         return {
             'to': offer_jetton_wallet.address.to_str(),
-            'payload': payload.to_boc(False),
+            'payload': payload,
             'amount': offer_amount + forward_gas_amount
         }