diff --git a/src/net_processing.cpp b/src/net_processing.cpp
--- a/src/net_processing.cpp
+++ b/src/net_processing.cpp
@@ -1765,9 +1765,9 @@
     return recentRejects->contains(txid) || mempool.exists(txid);
 }
 
-static bool AlreadyHaveBlock(const CInv &inv)
+static bool AlreadyHaveBlock(const BlockHash &block_hash)
     EXCLUSIVE_LOCKS_REQUIRED(cs_main) {
-    return LookupBlockIndex(BlockHash(inv.hash)) != nullptr;
+    return LookupBlockIndex(block_hash) != nullptr;
 }
 
 void RelayTransaction(const TxId &txid, const CConnman &connman) {
@@ -3118,7 +3118,7 @@
             }
 
             if (inv.type == MSG_BLOCK) {
-                bool fAlreadyHave = AlreadyHaveBlock(inv);
+                bool fAlreadyHave = AlreadyHaveBlock(BlockHash(inv.hash));
                 LogPrint(BCLog::NET, "got inv: %s  %s peer=%d\n",
                          inv.ToString(), fAlreadyHave ? "have" : "new",
                          pfrom.GetId());