diff --git a/src/cpp/ripple/Application.cpp b/src/cpp/ripple/Application.cpp
index 5ae51d65f..e0c634d99 100644
--- a/src/cpp/ripple/Application.cpp
+++ b/src/cpp/ripple/Application.cpp
@@ -3,6 +3,7 @@
 
 #ifdef USE_LEVELDB
 #include "leveldb/cache.h"
+#include "leveldb/filter_policy.h"
 #endif
 
 #include "AcceptedLedger.h"
@@ -169,6 +170,8 @@ void Application::setup()
 	leveldb::Options options;
 	options.create_if_missing = true;
 	options.block_cache = leveldb::NewLRUCache(theConfig.getSize(siHashNodeDBCache) * 1024 * 1024);
+	if (NODE_SIZE >= 2)
+		options.filter_policy = NewBloomFilterPolicy(10);
 	leveldb::Status status = leveldb::DB::Open(options, (theConfig.DATA_DIR / "hashnode").string(), &mHashNodeDB);
 	if (!status.ok() || !mHashNodeDB)
 	{