diff --git a/lib/core/src/Cardano/Wallet/Primitive/Types/Tx.hs b/lib/core/src/Cardano/Wallet/Primitive/Types/Tx.hs
index 34f4e36abfa..fe66ca6c864 100644
--- a/lib/core/src/Cardano/Wallet/Primitive/Types/Tx.hs
+++ b/lib/core/src/Cardano/Wallet/Primitive/Types/Tx.hs
@@ -307,7 +307,7 @@ instance Buildable TxScriptValidity where
     build TxScriptInvalid = "invalid"
 
 txIns :: Set Tx -> Set TxIn
-txIns = foldMap (Set.fromList . inputs)
+txIns = foldMap (\tx -> Set.fromList (inputs tx <> collateralInputs tx))
 
 inputs :: Tx -> [TxIn]
 inputs = map fst . resolvedInputs