diff --git a/Cargo.lock b/Cargo.lock
index e75e1bc76..bcfdd7325 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1103,7 +1103,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "rocksdb"
 version = "0.4.5"
-source = "git+https://github.com/ethcore/rust-rocksdb#6f3c68f5f075433d206be4af6a620651cd9f8541"
+source = "git+https://github.com/ethcore/rust-rocksdb#9be41e05923616dfa28741c58b22776d479751e6"
 dependencies = [
  "libc 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "rocksdb-sys 0.3.0 (git+https://github.com/ethcore/rust-rocksdb)",
@@ -1112,7 +1112,7 @@ dependencies = [
 [[package]]
 name = "rocksdb-sys"
 version = "0.3.0"
-source = "git+https://github.com/ethcore/rust-rocksdb#6f3c68f5f075433d206be4af6a620651cd9f8541"
+source = "git+https://github.com/ethcore/rust-rocksdb#9be41e05923616dfa28741c58b22776d479751e6"
 dependencies = [
  "gcc 0.3.28 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/util/src/kvdb.rs b/util/src/kvdb.rs
index bc0acc2dd..1aa2fc1eb 100644
--- a/util/src/kvdb.rs
+++ b/util/src/kvdb.rs
@@ -18,7 +18,7 @@
 
 use std::default::Default;
 use rocksdb::{DB, Writable, WriteBatch, IteratorMode, DBVector, DBIterator,
-	IndexType, Options, DBCompactionStyle, BlockBasedOptions, Direction};
+	IndexType, Options, WriteOptions, DBCompactionStyle, BlockBasedOptions, Direction};
 
 const DB_BACKGROUND_FLUSHES: i32 = 2;
 const DB_BACKGROUND_COMPACTIONS: i32 = 2;
@@ -169,6 +169,7 @@ impl Database {
 
 		opts.set_max_background_flushes(DB_BACKGROUND_FLUSHES);
 		opts.set_max_background_compactions(DB_BACKGROUND_COMPACTIONS);
+
 		if let Some(cache_size) = config.cache_size {
 			// half goes to read cache
 			opts.set_block_cache_size_mb(cache_size as u64 / 2);
@@ -200,7 +201,7 @@ impl Database {
 			opts.set_prefix_extractor_fixed_size(size);
 		}
 		let db = try!(DB::open(&opts, path));
-		Ok(Database { db: db })
+		Ok(Database { db: db, })
 	}
 
 	/// Insert a key-value pair in the transaction. Any existing value value will be overwritten.
@@ -215,7 +216,9 @@ impl Database {
 
 	/// Commit transaction to database.
 	pub fn write(&self, tr: DBTransaction) -> Result<(), String> {
-		self.db.write(tr.batch)
+		let mut write_opts = WriteOptions::new();
+		write_opts.disable_wal(true);
+		self.db.write_opt(tr.batch, &write_opts)
 	}
 
 	/// Get value by key.