diff --git a/cardano-api/src/Cardano/Api/ProtocolParameters.hs b/cardano-api/src/Cardano/Api/ProtocolParameters.hs
index 80433f85652..62884dacb06 100644
--- a/cardano-api/src/Cardano/Api/ProtocolParameters.hs
+++ b/cardano-api/src/Cardano/Api/ProtocolParameters.hs
@@ -1191,7 +1191,7 @@ fromAlonzoPParamsUpdate :: Ledger.Crypto crypto
                         => PParamsUpdate (Ledger.AlonzoEra crypto)
                         -> ProtocolParametersUpdate
 fromAlonzoPParamsUpdate ppu =
-  (fromShelleyCommonPParamsUpdate ppu) {
+  (fromAlonzoCommonPParamsUpdate ppu) {
     protocolUpdateUTxOCostPerWord = fromShelleyLovelace . unCoinPerWord <$>
                                       strictMaybeToMaybe (ppu ^. ppuCoinsPerUTxOWordL)
     }
diff --git a/cardano-client-demo/ChainSyncClientWithLedgerState.hs b/cardano-client-demo/ChainSyncClientWithLedgerState.hs
index f1098ae5c38..b71d4f06b5a 100644
--- a/cardano-client-demo/ChainSyncClientWithLedgerState.hs
+++ b/cardano-client-demo/ChainSyncClientWithLedgerState.hs
@@ -6,10 +6,10 @@ import           Cardano.Api
 import           Cardano.Api.ChainSync.Client
 import qualified Cardano.Chain.Slotting as Byron (EpochSlots (..))
 import           Cardano.Slotting.Slot
+import qualified Data.SOP.Telescope as TSP
 import qualified Ouroboros.Consensus.Cardano.Block as C
 import qualified Ouroboros.Consensus.HardFork.Combinator.Basics as C
 import qualified Ouroboros.Consensus.HardFork.Combinator.State.Types as C
-import qualified Ouroboros.Consensus.HardFork.Combinator.Util.Telescope as TSP
 
 import           Control.Monad (when)
 import           Control.Monad.Trans.Except