diff --git a/src/net_processing.cpp b/src/net_processing.cpp
--- a/src/net_processing.cpp
+++ b/src/net_processing.cpp
@@ -3022,6 +3022,7 @@
         LOCK(cs_main);
 
         const auto current_time = GetTime<std::chrono::microseconds>();
+        std::optional<BlockHash> best_block;
 
         for (CInv &inv : vInv) {
             if (interruptMsgProc) {
@@ -3033,25 +3034,16 @@
                      fAlreadyHave ? "have" : "new", pfrom.GetId());
 
             if (inv.type == MSG_BLOCK) {
-                const BlockHash hash(inv.hash);
+                const BlockHash hash{inv.hash};
                 UpdateBlockAvailability(pfrom.GetId(), hash);
                 if (!fAlreadyHave && !fImporting && !fReindex &&
                     !mapBlocksInFlight.count(hash)) {
-                    // We used to request the full block here, but since
-                    // headers-announcements are now the primary method of
-                    // announcement on the network, and since, in the case that
-                    // a node fell back to inv we probably have a reorg which we
-                    // should get the headers for first, we now only provide a
-                    // getheaders response here. When we receive the headers, we
-                    // will then ask for the blocks we need.
-                    m_connman.PushMessage(
-                        &pfrom, msgMaker.Make(NetMsgType::GETHEADERS,
-                                              ::ChainActive().GetLocator(
-                                                  pindexBestHeader),
-                                              hash));
-                    LogPrint(BCLog::NET, "getheaders (%d) %s to peer=%d\n",
-                             pindexBestHeader->nHeight, hash.ToString(),
-                             pfrom.GetId());
+                    // Headers-first is the primary method of announcement on
+                    // the network. If a node fell back to sending blocks by
+                    // inv, it's probably for a re-org. The final block hash
+                    // provided should be the highest, so send a getheaders and
+                    // then fetch the blocks we need to catch up.
+                    best_block = std::move(hash);
                 }
             } else {
                 const TxId txid(inv.hash);
@@ -3069,6 +3061,18 @@
                 }
             }
         }
+
+        if (best_block) {
+            m_connman.PushMessage(
+                &pfrom,
+                msgMaker.Make(NetMsgType::GETHEADERS,
+                              ::ChainActive().GetLocator(pindexBestHeader),
+                              *best_block));
+            LogPrint(BCLog::NET, "getheaders (%d) %s to peer=%d\n",
+                     pindexBestHeader->nHeight, best_block->ToString(),
+                     pfrom.GetId());
+        }
+
         return;
     }