diff --git a/src/test/transaction_tests.cpp b/src/test/transaction_tests.cpp
index fc9a61e624..9823c6a3c3 100644
--- a/src/test/transaction_tests.cpp
+++ b/src/test/transaction_tests.cpp
@@ -873,12 +873,15 @@ BOOST_AUTO_TEST_CASE(test_IsStandard)
     g_mempool_opts.reject_tokens = false;
 
     // MAX_OP_RETURN_RELAY-byte TxoutType::NULL_DATA (standard)
-    t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3804678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
+    t.vout[0].scriptPubKey = CScript() << OP_RETURN;
+    while (t.vout[0].scriptPubKey.size() < MAX_OP_RETURN_RELAY) {
+        t.vout[0].scriptPubKey << OP_0;
+    }
     BOOST_CHECK_EQUAL(MAX_OP_RETURN_RELAY, t.vout[0].scriptPubKey.size());
     CheckIsStandard(t);
 
     // MAX_OP_RETURN_RELAY+1-byte TxoutType::NULL_DATA (non-standard)
-    t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3804678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3800");
+    t.vout[0].scriptPubKey << OP_0;
     BOOST_CHECK_EQUAL(MAX_OP_RETURN_RELAY + 1, t.vout[0].scriptPubKey.size());
     CheckIsNotStandard(t, "scriptpubkey");