diff --git a/src/core/ton_wallet/mod.rs b/src/core/ton_wallet/mod.rs
index 33ae914dc..c3450fe4d 100644
--- a/src/core/ton_wallet/mod.rs
+++ b/src/core/ton_wallet/mod.rs
@@ -1137,6 +1137,10 @@ impl TryInto<u16> for WalletType {
             WalletType::Multisig(MultisigType::Multisig2) => 7,
             WalletType::Multisig(MultisigType::Multisig2_1) => 8,
             WalletType::WalletV5R1 => 9,
+            WalletType::WalletV4R1 => 10,
+            WalletType::WalletV4R2 => 11,
+            WalletType::WalletV3R1 => 12,
+            WalletType::WalletV3R2 => 13,
             _ => anyhow::bail!("Unimplemented wallet type"),
         };
 
diff --git a/src/core/ton_wallet/wallet_v3v4.rs b/src/core/ton_wallet/wallet_v3v4.rs
index bae849cf2..e2debc6c6 100644
--- a/src/core/ton_wallet/wallet_v3v4.rs
+++ b/src/core/ton_wallet/wallet_v3v4.rs
@@ -156,7 +156,7 @@ impl UnsignedMessage for UnsignedWallet {
         prune_after_depth: u16,
     ) -> Result<SignedMessage> {
         let mut payload = self.payload.clone();
-        payload.append_raw(signature, signature.len() * 8)?;
+        payload.prepend_raw(signature, signature.len() * 8)?;
         let body = payload.into_cell()?;
 
         let mut message = self.message.clone();