diff --git a/src/net_processing.cpp b/src/net_processing.cpp
--- a/src/net_processing.cpp
+++ b/src/net_processing.cpp
@@ -2154,7 +2154,7 @@
             // rejected.
             bool fRejectedParents = false;
             for (const CTxIn &txin : tx.vin) {
-                if (recentRejects->contains(txin.prevout.hash)) {
+                if (recentRejects->contains(txin.prevout.GetTxId())) {
                     fRejectedParents = true;
                     break;
                 }
@@ -2163,7 +2163,7 @@
                 uint32_t nFetchFlags = GetFetchFlags(
                     pfrom, chainActive.Tip(), chainparams.GetConsensus());
                 for (const CTxIn &txin : tx.vin) {
-                    CInv _inv(MSG_TX | nFetchFlags, txin.prevout.hash);
+                    CInv _inv(MSG_TX | nFetchFlags, txin.prevout.GetTxId());
                     pfrom->AddInventoryKnown(_inv);
                     if (!AlreadyHave(_inv)) {
                         pfrom->AskFor(_inv);
diff --git a/src/test/DoS_tests.cpp b/src/test/DoS_tests.cpp
--- a/src/test/DoS_tests.cpp
+++ b/src/test/DoS_tests.cpp
@@ -137,7 +137,9 @@
 CTransactionRef RandomOrphan() {
     std::map<uint256, COrphanTx>::iterator it;
     it = mapOrphanTransactions.lower_bound(InsecureRand256());
-    if (it == mapOrphanTransactions.end()) it = mapOrphanTransactions.begin();
+    if (it == mapOrphanTransactions.end()) {
+        it = mapOrphanTransactions.begin();
+    }
     return it->second.tx;
 }
 
@@ -151,8 +153,7 @@
     for (int i = 0; i < 50; i++) {
         CMutableTransaction tx;
         tx.vin.resize(1);
-        tx.vin[0].prevout.n = 0;
-        tx.vin[0].prevout.hash = InsecureRand256();
+        tx.vin[0].prevout = COutPoint(InsecureRand256(), 0);
         tx.vin[0].scriptSig << OP_1;
         tx.vout.resize(1);
         tx.vout[0].nValue = 1 * CENT;
@@ -168,8 +169,7 @@
 
         CMutableTransaction tx;
         tx.vin.resize(1);
-        tx.vin[0].prevout.n = 0;
-        tx.vin[0].prevout.hash = txPrev->GetId();
+        tx.vin[0].prevout = COutPoint(txPrev->GetId(), 0);
         tx.vout.resize(1);
         tx.vout[0].nValue = 1 * CENT;
         tx.vout[0].scriptPubKey =
@@ -189,9 +189,8 @@
         tx.vout[0].scriptPubKey =
             GetScriptForDestination(key.GetPubKey().GetID());
         tx.vin.resize(2777);
-        for (unsigned int j = 0; j < tx.vin.size(); j++) {
-            tx.vin[j].prevout.n = j;
-            tx.vin[j].prevout.hash = txPrev->GetId();
+        for (size_t j = 0; j < tx.vin.size(); j++) {
+            tx.vin[j].prevout = COutPoint(txPrev->GetId(), j);
         }
         SignSignature(keystore, *txPrev, tx, 0, SigHashType());
         // Re-use same signature for other inputs