diff --git a/pkg/cosmos/adapters/cosmwasm/relay.go b/pkg/cosmos/adapters/cosmwasm/relay.go
index b96b527f..e85baf10 100644
--- a/pkg/cosmos/adapters/cosmwasm/relay.go
+++ b/pkg/cosmos/adapters/cosmwasm/relay.go
@@ -146,7 +146,7 @@ func (p *medianProvider) OnchainConfigCodec() median.OnchainConfigCodec {
 	return median.StandardOnchainConfigCodec{}
 }
 
-func (p *medianProvider) ChainReader() relaytypes.ChainReader {
+func (p *medianProvider) ChainReader() relaytypes.ContractReader {
 	return nil
 }
 
diff --git a/pkg/cosmos/adapters/injective/relay.go b/pkg/cosmos/adapters/injective/relay.go
index fb3f40ae..d102fffe 100644
--- a/pkg/cosmos/adapters/injective/relay.go
+++ b/pkg/cosmos/adapters/injective/relay.go
@@ -140,7 +140,7 @@ func (p *medianProvider) OnchainConfigCodec() median.OnchainConfigCodec {
 	return median.StandardOnchainConfigCodec{}
 }
 
-func (p *medianProvider) ChainReader() relaytypes.ChainReader {
+func (p *medianProvider) ChainReader() relaytypes.ContractReader {
 	return nil
 }