diff --git a/nano/lib/lmdbconfig.hpp b/nano/lib/lmdbconfig.hpp
index 342c03d126..4474a835a0 100644
--- a/nano/lib/lmdbconfig.hpp
+++ b/nano/lib/lmdbconfig.hpp
@@ -45,6 +45,6 @@ class lmdb_config final
 	/** Sync strategy for the ledger database */
 	sync_strategy sync{ always };
 	uint32_t max_databases{ 128 };
-	size_t map_size{ 128ULL * 1024 * 1024 * 1024 };
+	size_t map_size{ 256ULL * 1024 * 1024 * 1024 };
 };
 }