diff --git a/bridges/relays/bin-substrate/src/chains/mod.rs b/bridges/relays/bin-substrate/src/chains/mod.rs
index f33e265f9a870..9e6a7361d5fdf 100644
--- a/bridges/relays/bin-substrate/src/chains/mod.rs
+++ b/bridges/relays/bin-substrate/src/chains/mod.rs
@@ -42,10 +42,10 @@ pub(crate) fn add_polkadot_kusama_price_metrics<T: finality_relay::FinalitySyncP
 				FloatJsonValueMetric::new(
 					registry,
 					prefix,
-					"https://api.coingecko.com/api/v3/simple/price?ids=Polkadot&vs_currencies=usd".into(),
-					"$.polkadot.usd".into(),
-					"polkadot_price".into(),
-					"Polkadot price in USD".into(),
+					"https://api.coingecko.com/api/v3/simple/price?ids=Polkadot&vs_currencies=btc".into(),
+					"$.polkadot.btc".into(),
+					"polkadot_to_base_conversion_rate".into(),
+					"Rate used to convert from DOT to some BASE tokens".into(),
 				)
 			})
 			.map_err(|e| anyhow::format_err!("{}", e))?
@@ -53,10 +53,10 @@ pub(crate) fn add_polkadot_kusama_price_metrics<T: finality_relay::FinalitySyncP
 				FloatJsonValueMetric::new(
 					registry,
 					prefix,
-					"https://api.coingecko.com/api/v3/simple/price?ids=Kusama&vs_currencies=usd".into(),
-					"$.kusama.usd".into(),
-					"kusama_price".into(),
-					"Kusama price in USD".into(),
+					"https://api.coingecko.com/api/v3/simple/price?ids=Kusama&vs_currencies=btc".into(),
+					"$.kusama.btc".into(),
+					"kusama_to_base_conversion_rate".into(),
+					"Rate used to convert from KSM to some BASE tokens".into(),
 				)
 			})
 			.map_err(|e| anyhow::format_err!("{}", e))?