diff --git a/lib/shelley/src/Cardano/Wallet/Shelley/Compatibility.hs b/lib/shelley/src/Cardano/Wallet/Shelley/Compatibility.hs
index e70c9fc3132..ac768f4a5c5 100644
--- a/lib/shelley/src/Cardano/Wallet/Shelley/Compatibility.hs
+++ b/lib/shelley/src/Cardano/Wallet/Shelley/Compatibility.hs
@@ -75,6 +75,7 @@ module Cardano.Wallet.Shelley.Compatibility
     , internalError
     , isInternalError
     , ToCardanoGenTx (..)
+    , fromLedgerExUnits
 
       -- ** Assessing sizes of token bundles
     , tokenBundleSizeAssessor
@@ -674,6 +675,15 @@ executionUnitPricesFromPParams pp =
         , W.priceExecutionMemory = Ledger.unboundRational prMem
         }
 
+fromLedgerExUnits
+    :: Alonzo.ExUnits
+    -> W.ExecutionUnits
+fromLedgerExUnits (Alonzo.ExUnits mem steps) =
+    W.ExecutionUnits
+    { executionSteps = steps
+    , executionMemory = mem
+    }
+
 txParametersFromPParams
     :: HasField "_minfeeA" pparams Natural
     => HasField "_minfeeB" pparams Natural
diff --git a/lib/shelley/src/Cardano/Wallet/Shelley/Transaction.hs b/lib/shelley/src/Cardano/Wallet/Shelley/Transaction.hs
index 2b6fbfc78a5..df6889ba23a 100644
--- a/lib/shelley/src/Cardano/Wallet/Shelley/Transaction.hs
+++ b/lib/shelley/src/Cardano/Wallet/Shelley/Transaction.hs
@@ -109,6 +109,7 @@ import Cardano.Wallet.Primitive.Types.Tx
 import Cardano.Wallet.Shelley.Compatibility
     ( fromAllegraTx
     , fromAlonzoTx
+    , fromLedgerExUnits
     , fromMaryTx
     , fromShelleyTx
     , sealShelleyTx
@@ -173,6 +174,7 @@ import qualified Cardano.Crypto as CC
 import qualified Cardano.Crypto.DSIGN as DSIGN
 import qualified Cardano.Crypto.Hash.Class as Crypto
 import qualified Cardano.Crypto.Wallet as Crypto.HD
+import qualified Cardano.Ledger.Alonzo.TxWitness as SL
 import qualified Cardano.Ledger.Core as SL
 import qualified Cardano.Wallet.Primitive.Types.Coin as Coin
 import qualified Cardano.Wallet.Primitive.Types.TokenBundle as TokenBundle
@@ -499,7 +501,8 @@ _calcScriptExecutionCost pp sealedTx = undefined
                     getScriptData _ = error "we should not expect Cardano.ByronTxBody here"
                     getRedeemers Cardano.TxBodyNoScriptData = Nothing
                     getRedeemers (Cardano.TxBodyScriptData _ _ redeemers) = Just redeemers
-                in getRedeemers $ getScriptData $ Cardano.getTxBody txValid
+                    getExtUnit (SL.Redeemers rmds) = map (fromLedgerExUnits . snd . snd) $ Map.toList rmds
+                in getExtUnit <$> (getRedeemers $ getScriptData $ Cardano.getTxBody txValid)
             Left _ -> Nothing
 
 _decodeSignedTx