diff --git a/pkg/api/jetton_converters.go b/pkg/api/jetton_converters.go
index be2227b6..1687c20f 100644
--- a/pkg/api/jetton_converters.go
+++ b/pkg/api/jetton_converters.go
@@ -114,6 +114,7 @@ func (h *Handler) convertJettonBalance(ctx context.Context, wallet core.JettonWa
 	jettonBalance := oas.JettonBalance{
 		Balance:       wallet.Balance.String(),
 		WalletAddress: convertAccountAddress(wallet.Address, h.addressBook),
+		Extensions:    wallet.Extensions,
 	}
 	if wallet.Lock != nil {
 		jettonBalance.Lock = oas.NewOptJettonBalanceLock(oas.JettonBalanceLock{
diff --git a/pkg/core/jetton.go b/pkg/core/jetton.go
index 12af4a6c..56c370ef 100644
--- a/pkg/core/jetton.go
+++ b/pkg/core/jetton.go
@@ -14,8 +14,8 @@ type JettonWallet struct {
 	OwnerAddress *tongo.AccountID
 	// JettonAddress of a jetton master.
 	JettonAddress tongo.AccountID
-	Code          []byte
 	Lock          *JettonWalletLockData
+	Extensions    []string
 }
 
 type JettonHolder struct {