diff --git a/secretk/src/commonMain/kotlin/io/eqoty/secretk/client/SigningCosmWasmClient.kt b/secretk/src/commonMain/kotlin/io/eqoty/secretk/client/SigningCosmWasmClient.kt
index 902cb8d..b990831 100644
--- a/secretk/src/commonMain/kotlin/io/eqoty/secretk/client/SigningCosmWasmClient.kt
+++ b/secretk/src/commonMain/kotlin/io/eqoty/secretk/client/SigningCosmWasmClient.kt
@@ -161,8 +161,8 @@ private constructor(
             gas = txOptions.gasLimit,
             amount = listOf(
                 Coin(
-                    txOptions.feeDenom,
-                    gasToFee(txOptions.gasLimit, txOptions.gasPriceInFeeDenom)
+                    gasToFee(txOptions.gasLimit, txOptions.gasPriceInFeeDenom),
+                    txOptions.feeDenom
                 )
             ),
             granter = txOptions.feeGranter
diff --git a/secretk/src/commonMain/kotlin/io/eqoty/secretk/types/Coin.kt b/secretk/src/commonMain/kotlin/io/eqoty/secretk/types/Coin.kt
index 765d2a8..a842bb1 100644
--- a/secretk/src/commonMain/kotlin/io/eqoty/secretk/types/Coin.kt
+++ b/secretk/src/commonMain/kotlin/io/eqoty/secretk/types/Coin.kt
@@ -8,8 +8,8 @@ data class Coin(
     val amount: String,
     val denom: String
 ) {
-    constructor(denom: String, amount: Int) : this(amount.toString(), denom)
-    constructor(denom: String, amount: BigInteger) : this(amount.toString(), denom)
+    constructor(amount: Int, denom: String) : this(amount.toString(), denom)
+    constructor(amount: BigInteger, denom: String) : this(amount.toString(), denom)
 
     fun toProto() = CoinProto(denom, amount)