diff --git a/src/kernel/mempool_persist.cpp b/src/kernel/mempool_persist.cpp
index cae4b04bf6572c..45365dcaadf3c0 100644
--- a/src/kernel/mempool_persist.cpp
+++ b/src/kernel/mempool_persist.cpp
@@ -184,7 +184,9 @@ bool DumpMempool(const CTxMemPool& pool, const fs::path& dump_path, FopenFn mock
         }
         file.SetXor(xor_key);
 
-        file << (uint64_t)vinfo.size();
+        uint64_t mempool_transactions_to_write(vinfo.size());
+        file << mempool_transactions_to_write;
+        LogInfo("Writing %u mempool transactions to disk %u mb ...\n", mempool_transactions_to_write, sizeof(vinfo));
         for (const auto& i : vinfo) {
             file << TX_WITH_WITNESS(*(i.tx));
             file << int64_t{count_seconds(i.m_time)};