diff --git a/README.md b/README.md
index e13c9db1..917a9752 100644
--- a/README.md
+++ b/README.md
@@ -478,9 +478,10 @@ client.SetOnDisconnect(func(addr, serverKey string) {
 * ✅ Overlays
 * ✅ TL Parser/Serializer
 * ✅ TL-B Parser/Serializer
+* ✅ Payment channels
+* ✅ Liteserver proofs automatic validation
 * DHT Server
-* Payment channels
-* Merkle proofs automatic validation
+* TVM
 
 <!-- Badges -->
 [ton-svg]: https://img.shields.io/badge/Based%20on-TON-blue
diff --git a/ton/payments/channel.go b/ton/payments/channel.go
index 0469b4e5..0b609601 100644
--- a/ton/payments/channel.go
+++ b/ton/payments/channel.go
@@ -62,6 +62,10 @@ func (c *Client) GetAsyncChannel(ctx context.Context, addr *address.Address, ver
 		return nil, fmt.Errorf("failed to get account: %w", err)
 	}
 
+	if !acc.IsActive {
+		return nil, fmt.Errorf("channel account is not active")
+	}
+
 	if verify {
 		codeBoC, _ := hex.DecodeString(AsyncPaymentChannelCodeBoC)
 		code, _ := cell.FromBOC(codeBoC)