diff --git a/btcutil/txsort/txsort_test.go b/btcutil/txsort/txsort_test.go
index dd2149294e..d196d6d045 100644
--- a/btcutil/txsort/txsort_test.go
+++ b/btcutil/txsort/txsort_test.go
@@ -114,6 +114,9 @@ func TestSort(t *testing.T) {
 		// Now sort the transaction using the mutable version and ensure
 		// the resulting hash is the expected value.
 		txsort.InPlaceSort(&tx)
+
+		tx.WipeCache()
+
 		if got := tx.TxHash().String(); got != test.sortedHash {
 			t.Errorf("SortMutate (%s): sorted hash does not match "+
 				"expected - got %v, want %v", test.name, got,