diff --git a/src/zcbenchmarks.cpp b/src/zcbenchmarks.cpp
index 9a16f0be..94f27ae6 100644
--- a/src/zcbenchmarks.cpp
+++ b/src/zcbenchmarks.cpp
@@ -200,7 +200,7 @@ double benchmark_large_tx()
     timer_start();
     for (size_t i = 0; i < NUM_INPUTS; i++) {
         ScriptError serror = SCRIPT_ERR_OK;
-        assert(VerifyScript(spending_tx.vin[i].scriptSig,
+        assert(VerifyScript(final_spending_tx.vin[i].scriptSig,
                             prevPubKey,
                             STANDARD_SCRIPT_VERIFY_FLAGS,
                             TransactionSignatureChecker(&final_spending_tx, i),