diff --git a/ethcore/src/miner/miner.rs b/ethcore/src/miner/miner.rs
index 96e5d760b..1671fbffa 100644
--- a/ethcore/src/miner/miner.rs
+++ b/ethcore/src/miner/miner.rs
@@ -1910,6 +1910,7 @@ mod tests {
 				},
 				fetch,
 				p,
+				"fake_endpoint".to_owned()
 			)
 		)
 	}
diff --git a/miner/price-info/src/lib.rs b/miner/price-info/src/lib.rs
index d249704b5..397c2f94f 100644
--- a/miner/price-info/src/lib.rs
+++ b/miner/price-info/src/lib.rs
@@ -57,8 +57,7 @@ impl<F> cmp::PartialEq for Client<F> {
 
 impl<F: Fetch> Client<F> {
 	/// Creates a new instance of the `Client` given a `fetch::Client`.
-	pub fn new(fetch: F, pool: Executor) -> Client<F> {
-		let api_endpoint = "https://api.etherscan.io/api?module=stats&action=ethprice".to_owned();
+	pub fn new(fetch: F, pool: Executor, api_endpoint: String) -> Client<F> {
 		Client { pool, api_endpoint, fetch }
 	}
 
@@ -105,11 +104,11 @@ mod test {
 	use super::Client;
 
 	fn price_info_ok(response: &str, executor: Executor) -> Client<FakeFetch<String>> {
-		Client::new(FakeFetch::new(Some(response.to_owned())), executor)
+		Client::new(FakeFetch::new(Some(response.to_owned())), executor, "fake_endpoint".to_owned())
 	}
 
 	fn price_info_not_found(executor: Executor) -> Client<FakeFetch<String>> {
-		Client::new(FakeFetch::new(None::<String>), executor)
+		Client::new(FakeFetch::new(None::<String>), executor, "fake_endpoint".to_owned())
 	}
 
 	#[test]
diff --git a/miner/src/gas_price_calibrator.rs b/miner/src/gas_price_calibrator.rs
index 7a0943640..e91b880fa 100644
--- a/miner/src/gas_price_calibrator.rs
+++ b/miner/src/gas_price_calibrator.rs
@@ -43,11 +43,11 @@ pub struct GasPriceCalibrator {
 
 impl GasPriceCalibrator {
 	/// Create a new gas price calibrator.
-	pub fn new(options: GasPriceCalibratorOptions, fetch: FetchClient, p: Executor) -> GasPriceCalibrator {
+	pub fn new(options: GasPriceCalibratorOptions, fetch: FetchClient, p: Executor, api_endpoint: String) -> GasPriceCalibrator {
 		GasPriceCalibrator {
 			options: options,
 			next_calibration: Instant::now(),
-			price_info: PriceInfoClient::new(fetch, p),
+			price_info: PriceInfoClient::new(fetch, p, api_endpoint),
 		}
 	}
 
diff --git a/parity/configuration.rs b/parity/configuration.rs
index 4c99e51c3..0ca62f072 100644
--- a/parity/configuration.rs
+++ b/parity/configuration.rs
@@ -58,6 +58,7 @@ use network::{IpFilter};
 
 const DEFAULT_MAX_PEERS: u16 = 50;
 const DEFAULT_MIN_PEERS: u16 = 25;
+pub const ETHERSCAN_ETH_PRICE_ENDPOINT: &str = "https://api.etherscan.io/api?module=stats&action=ethprice";
 
 #[derive(Debug, PartialEq)]
 pub enum Cmd {
@@ -666,23 +667,30 @@ impl Configuration {
 		}
 
 		let usd_per_tx = to_price(&self.args.arg_usd_per_tx)?;
-		if "auto" == self.args.arg_usd_per_eth.as_str() {
-			return Ok(GasPricerConfig::Calibrated {
+
+		if "auto" == self.args.arg_usd_per_eth {
+			Ok(GasPricerConfig::Calibrated {
 				usd_per_tx: usd_per_tx,
 				recalibration_period: to_duration(self.args.arg_price_update_period.as_str())?,
-			});
+				api_endpoint: ETHERSCAN_ETH_PRICE_ENDPOINT.to_string(),
+			})
+		} else if let Ok(usd_per_eth_parsed) = to_price(&self.args.arg_usd_per_eth) {
+			let wei_per_gas = wei_per_gas(usd_per_tx, usd_per_eth_parsed);
+
+			info!(
+				"Using a fixed conversion rate of Ξ1 = {} ({} wei/gas)",
+				Colour::White.bold().paint(format!("US${:.2}", usd_per_eth_parsed)),
+				Colour::Yellow.bold().paint(format!("{}", wei_per_gas))
+			);
+
+			Ok(GasPricerConfig::Fixed(wei_per_gas))
+		} else {
+			Ok(GasPricerConfig::Calibrated {
+				usd_per_tx: usd_per_tx,
+				recalibration_period: to_duration(self.args.arg_price_update_period.as_str())?,
+				api_endpoint: self.args.arg_usd_per_eth.clone(),
+			})
 		}
-
-		let usd_per_eth = to_price(&self.args.arg_usd_per_eth)?;
-		let wei_per_gas = wei_per_gas(usd_per_tx, usd_per_eth);
-
-		info!(
-			"Using a fixed conversion rate of Ξ1 = {} ({} wei/gas)",
-			Colour::White.bold().paint(format!("US${:.2}", usd_per_eth)),
-			Colour::Yellow.bold().paint(format!("{}", wei_per_gas))
-		);
-
-		Ok(GasPricerConfig::Fixed(wei_per_gas))
 	}
 
 	fn extra_data(&self) -> Result<Bytes, String> {
diff --git a/parity/helpers.rs b/parity/helpers.rs
index 2404630cc..a0a973b94 100644
--- a/parity/helpers.rs
+++ b/parity/helpers.rs
@@ -146,7 +146,7 @@ pub fn to_addresses(s: &Option<String>) -> Result<Vec<Address>, String> {
 
 /// Tries to parse string as a price.
 pub fn to_price(s: &str) -> Result<f32, String> {
-	s.parse::<f32>().map_err(|_| format!("Invalid transaciton price 's' given. Must be a decimal number."))
+	s.parse::<f32>().map_err(|_| format!("Invalid transaction price {:?} given. Must be a decimal number.", s))
 }
 
 pub fn join_set(set: Option<&HashSet<String>>) -> Option<String> {
diff --git a/parity/params.rs b/parity/params.rs
index fafc94d80..45547b46b 100644
--- a/parity/params.rs
+++ b/parity/params.rs
@@ -29,6 +29,8 @@ use parity_version::version_data;
 use user_defaults::UserDefaults;
 use types::client_types::Mode;
 
+use crate::configuration;
+
 #[derive(Debug, PartialEq)]
 pub enum SpecType {
 	Foundation,
@@ -248,6 +250,7 @@ pub enum GasPricerConfig {
 	Calibrated {
 		usd_per_tx: f32,
 		recalibration_period: Duration,
+		api_endpoint: String
 	}
 }
 
@@ -256,6 +259,7 @@ impl Default for GasPricerConfig {
 		GasPricerConfig::Calibrated {
 			usd_per_tx: 0.0001f32,
 			recalibration_period: Duration::from_secs(3600),
+			api_endpoint: configuration::ETHERSCAN_ETH_PRICE_ENDPOINT.to_string(),
 		}
 	}
 }
@@ -264,7 +268,7 @@ impl GasPricerConfig {
 	pub fn to_gas_pricer(&self, fetch: FetchClient, p: Executor) -> GasPricer {
 		match *self {
 			GasPricerConfig::Fixed(u) => GasPricer::Fixed(u),
-			GasPricerConfig::Calibrated { usd_per_tx, recalibration_period, .. } => {
+			GasPricerConfig::Calibrated { usd_per_tx, recalibration_period, ref api_endpoint } => {
 				GasPricer::new_calibrated(
 					GasPriceCalibrator::new(
 						GasPriceCalibratorOptions {
@@ -273,6 +277,7 @@ impl GasPricerConfig {
 						},
 						fetch,
 						p,
+						api_endpoint.clone(),
 					)
 				)
 			}