diff --git a/chain/src/error.rs b/chain/src/error.rs
index 9de778a50..637540de7 100644
--- a/chain/src/error.rs
+++ b/chain/src/error.rs
@@ -102,7 +102,7 @@ pub enum ErrorKind {
 	#[fail(display = "Invalid TxHashSet: {}", _0)]
 	InvalidTxHashSet(String),
 	/// Internal issue when trying to save or load data from store
-	#[fail(display = "Store Error: {}", _1)]
+	#[fail(display = "Store Error: {}, reason: {}", _1, _0)]
 	StoreErr(store::Error, String),
 	/// Internal issue when trying to save or load data from append only files
 	#[fail(display = "File Read Error: {}", _0)]
diff --git a/store/src/lmdb.rs b/store/src/lmdb.rs
index 365da6983..016bc29a4 100644
--- a/store/src/lmdb.rs
+++ b/store/src/lmdb.rs
@@ -80,7 +80,7 @@ pub fn new_named_env(path: String, name: String) -> lmdb::Environment {
 		});
 	unsafe {
 		env_builder
-			.open(&full_path, lmdb::open::Flags::empty(), 0o600)
+			.open(&full_path, lmdb::open::NOTLS, 0o600)
 			.unwrap()
 	}
 }