diff --git a/src/MicroCore.cpp b/src/MicroCore.cpp
index d2b3d3d..eb3eb04 100644
--- a/src/MicroCore.cpp
+++ b/src/MicroCore.cpp
@@ -39,12 +39,12 @@ namespace xmreg
         blockchain_path = _blockchain_path;
 
         //db_flags |= MDB_RDONLY;
-        //db_flags |= MDB_NOLOCK;
+        db_flags |= MDB_NOLOCK;
         //db_flags |= MDB_SYNC;
 
-        uint64_t DEFAULT_FLAGS = MDB_NOMETASYNC | MDB_NORDAHEAD;
+        // uint64_t DEFAULT_FLAGS = MDB_NOMETASYNC | MDB_NORDAHEAD;
 
-        db_flags = DEFAULT_FLAGS;
+        //db_flags = DEFAULT_FLAGS;
 
         BlockchainDB* db = nullptr;
         db = new BlockchainLMDB();