diff --git a/rpc/src/v1/impls/eth_signing.rs b/rpc/src/v1/impls/eth_signing.rs
index 58b28473d..61817c89f 100644
--- a/rpc/src/v1/impls/eth_signing.rs
+++ b/rpc/src/v1/impls/eth_signing.rs
@@ -26,7 +26,7 @@ use ethcore::account_provider::AccountProvider;
 use v1::helpers::{SigningQueue, ConfirmationPromise, ConfirmationResult, ConfirmationsQueue, TransactionRequest as TRequest};
 use v1::traits::EthSigning;
 use v1::types::{TransactionRequest, H160 as RpcH160, H256 as RpcH256, H520 as RpcH520, U256 as RpcU256};
-use v1::impls::{default_gas_price, sign_and_dispatch};
+use v1::impls::{default_gas_price, sign_and_dispatch, transaction_rejected_error};
 
 fn fill_optional_fields<C, M>(request: &mut TRequest, client: &C, miner: &M)
 	where C: MiningBlockChainClient, M: MinerService {
@@ -129,7 +129,7 @@ impl<C, M> EthSigning for EthSigningQueueClient<C, M>
 			let res = match pending.get(&id) {
 				Some(ref promise) => match promise.result() {
 					ConfirmationResult::Waiting => { return Ok(Value::Null); }
-					ConfirmationResult::Rejected => to_value(&RpcH256::default()),
+					ConfirmationResult::Rejected => Err(transaction_rejected_error()),
 					ConfirmationResult::Confirmed(rpc_response) => rpc_response,
 				},
 				_ => { return Err(Error::invalid_params()); }
diff --git a/rpc/src/v1/impls/mod.rs b/rpc/src/v1/impls/mod.rs
index 2f45b5e56..54136cfea 100644
--- a/rpc/src/v1/impls/mod.rs
+++ b/rpc/src/v1/impls/mod.rs
@@ -72,6 +72,7 @@ mod error_codes {
 	pub const NO_AUTHOR_CODE: i64 = -32002;
 	pub const UNKNOWN_ERROR: i64 = -32009;
 	pub const TRANSACTION_ERROR: i64 = -32010;
+	pub const TRANSACTION_REJECTED: i64 = -32011;
 	pub const ACCOUNT_LOCKED: i64 = -32020;
 	pub const PASSWORD_INVALID: i64 = -32021;
 	pub const SIGNER_DISABLED: i64 = -32030;
@@ -139,7 +140,6 @@ fn default_gas_price<C, M>(client: &C, miner: &M) -> U256 where C: MiningBlockCh
 		.unwrap_or_else(|_| miner.sensible_gas_price())
 }
 
-
 fn signing_error(error: AccountError) -> Error {
 	Error {
 		code: ErrorCode::ServerError(error_codes::ACCOUNT_LOCKED),
@@ -156,6 +156,15 @@ fn password_error(error: AccountError) -> Error {
 	}
 }
 
+/// Error returned when transaction is rejected (in Trusted Signer).
+pub fn transaction_rejected_error() -> Error {
+	Error {
+		code: ErrorCode::ServerError(error_codes::TRANSACTION_REJECTED),
+		message: "Transaction has been rejected.".into(),
+		data: None,
+	}
+}
+
 fn transaction_error(error: EthcoreError) -> Error {
 	use ethcore::error::TransactionError::*;