diff --git a/src/txdb.h b/src/txdb.h
index d1deb3004..55b2fbde3 100644
--- a/src/txdb.h
+++ b/src/txdb.h
@@ -58,7 +58,7 @@ class uint256;
 //! No need to periodic flush if at least this much space still available.
 static constexpr int MAX_BLOCK_COINSDB_USAGE = 10;
 //! -dbcache default (MiB)
-static const int64_t nDefaultDbCache = 4096;
+static const int64_t nDefaultDbCache = 800;
 //! -dbbatchsize default (bytes)
 static const int64_t nDefaultDbBatchSize = 16 << 20;
 //! max. -dbcache (MiB)