diff --git a/lib/customer-deposit-wallet/src/Cardano/Wallet/Deposit/Pure/API/TxHistory.hs b/lib/customer-deposit-wallet/src/Cardano/Wallet/Deposit/Pure/API/TxHistory.hs
index a463d3fb9b8..c01d7159b0c 100644
--- a/lib/customer-deposit-wallet/src/Cardano/Wallet/Deposit/Pure/API/TxHistory.hs
+++ b/lib/customer-deposit-wallet/src/Cardano/Wallet/Deposit/Pure/API/TxHistory.hs
@@ -2,6 +2,7 @@
 {-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE NamedFieldPuns #-}
 {-# LANGUAGE RankNTypes #-}
+{-# LANGUAGE StrictData #-}
 
 module Cardano.Wallet.Deposit.Pure.API.TxHistory
     ( ByCustomer