diff --git a/cardano-api/internal/Cardano/Api/Governance/Actions/VotingProcedure.hs b/cardano-api/internal/Cardano/Api/Governance/Actions/VotingProcedure.hs
index 63b5c3a055..07e979556a 100644
--- a/cardano-api/internal/Cardano/Api/Governance/Actions/VotingProcedure.hs
+++ b/cardano-api/internal/Cardano/Api/Governance/Actions/VotingProcedure.hs
@@ -52,9 +52,9 @@ newtype GoveranceActionIdentifier ledgerera
   deriving (Show, Eq)
 
 makeGoveranceActionIdentifier
-  :: EraCrypto ledgerera ~ StandardCrypto
-  => TxIn -> GoveranceActionIdentifier ledgerera
-makeGoveranceActionIdentifier txin =
+  :: EraCrypto (ShelleyLedgerEra era) ~ StandardCrypto
+  => ShelleyBasedEra era -> TxIn -> GoveranceActionIdentifier (ShelleyLedgerEra era)
+makeGoveranceActionIdentifier _ txin =
   let Ledger.TxIn txid (Ledger.TxIx txix) = toShelleyTxIn txin
   in GoveranceActionIdentifier $
        Gov.GovernanceActionId
@@ -110,13 +110,14 @@ instance TestEquality (Ledger.Credential 'Voting) where
 -}
 
 createVotingProcedure
-  :: EraCrypto ledgerera ~ StandardCrypto
-  => VoteChoice
+  :: EraCrypto (ShelleyLedgerEra era) ~ StandardCrypto
+  => ShelleyBasedEra era
+  -> VoteChoice
   -> VoterType
-  -> GoveranceActionIdentifier ledgerera
-  -> VotingCredential ledgerera -- ^ Governance witness credential (ledger checks that you are allowed to vote)
-  -> Gov.VotingProcedure ledgerera
-createVotingProcedure vChoice vt (GoveranceActionIdentifier govActId) (VotingCredential govWitnessCredential) =
+  -> GoveranceActionIdentifier (ShelleyLedgerEra era)
+  -> VotingCredential (ShelleyLedgerEra era) -- ^ Governance witness credential (ledger checks that you are allowed to vote)
+  -> Gov.VotingProcedure (ShelleyLedgerEra era)
+createVotingProcedure _ vChoice vt (GoveranceActionIdentifier govActId) (VotingCredential govWitnessCredential) =
   Gov.VotingProcedure
     { Gov.vProcGovActionId = govActId
     , Gov.vProcRole = toVoterRole vt