diff --git a/src/Nethermind/Nethermind.JsonRpc.Test/Modules/Eth/EthRpcModuleTests.cs b/src/Nethermind/Nethermind.JsonRpc.Test/Modules/Eth/EthRpcModuleTests.cs
index 20cd1112eba5..a7647dc34534 100644
--- a/src/Nethermind/Nethermind.JsonRpc.Test/Modules/Eth/EthRpcModuleTests.cs
+++ b/src/Nethermind/Nethermind.JsonRpc.Test/Modules/Eth/EthRpcModuleTests.cs
@@ -1173,7 +1173,7 @@ public async Task Send_raw_transaction_will_send_transaction(string rawTransacti
         string serialized = await ctx.Test.TestEthRpc("eth_sendRawTransaction", rawTransaction);
         Transaction tx = Rlp.Decode<Transaction>(Bytes.FromHexString(rawTransaction));
         await txSender.Received().SendTransaction(tx, TxHandlingOptions.PersistentBroadcast);
-        Assert.That(serialized, Is.EqualTo("{\"jsonrpc\":\"2.0\",\"error\":{\"code\":-32010,\"message\":\"Invalid, InvalidTxSignature: Signature is invalid.\"},\"id\":67}"));
+        Assert.That(serialized, Is.EqualTo("{\"jsonrpc\":\"2.0\",\"error\":{\"code\":-32000,\"message\":\"Invalid, InvalidTxSignature: Signature is invalid.\"},\"id\":67}"));
     }
 
     [Test]
@@ -1224,7 +1224,7 @@ public async Task Send_transaction_should_return_ErrorCode_if_tx_not_added()
 
         string serialized = await ctx.Test.TestEthRpc("eth_sendTransaction", txForRpc);
 
-        Assert.That(serialized, Is.EqualTo("{\"jsonrpc\":\"2.0\",\"error\":{\"code\":-32010,\"message\":\"InsufficientFunds, Balance is zero, cannot pay gas\"},\"id\":67}"));
+        Assert.That(serialized, Is.EqualTo("{\"jsonrpc\":\"2.0\",\"error\":{\"code\":-32000,\"message\":\"InsufficientFunds, Balance is zero, cannot pay gas\"},\"id\":67}"));
     }
 
     public enum AccessListProvided
diff --git a/src/Nethermind/Nethermind.JsonRpc/ErrorCodes.cs b/src/Nethermind/Nethermind.JsonRpc/ErrorCodes.cs
index cea92a933c03..248dd56e28db 100644
--- a/src/Nethermind/Nethermind.JsonRpc/ErrorCodes.cs
+++ b/src/Nethermind/Nethermind.JsonRpc/ErrorCodes.cs
@@ -48,14 +48,14 @@ public static class ErrorCodes
         public const int ResourceNotFound = -32000;
 
         /// <summary>
-        /// Requested resource not available
+        /// Transaction creation failed
         /// </summary>
-        public const int ResourceUnavailable = -32002;
+        public const int TransactionRejected = -32000;
 
         /// <summary>
-        /// Transaction creation failed
+        /// Requested resource not available
         /// </summary>
-        public const int TransactionRejected = -32010;
+        public const int ResourceUnavailable = -32002;
 
         /// <summary>
         /// Account locked