diff --git a/cardano-api/internal/Cardano/Api/Fees.hs b/cardano-api/internal/Cardano/Api/Fees.hs
index 820692c8cb..6765081a16 100644
--- a/cardano-api/internal/Cardano/Api/Fees.hs
+++ b/cardano-api/internal/Cardano/Api/Fees.hs
@@ -895,6 +895,7 @@ data BalancedTxBody era
       (TxBody era)
       (TxOut CtxTx era) -- ^ Transaction balance (change output)
       L.Coin    -- ^ Estimated transaction fee
+  deriving Show
 
 newtype RequiredShelleyKeyWitnesses
   = RequiredShelleyKeyWitnesses { unRequiredShelleyKeyWitnesses :: Int }