diff --git a/ethcore/src/json_tests/chain.rs b/ethcore/src/json_tests/chain.rs
index 9bd0d4c94..294be7370 100644
--- a/ethcore/src/json_tests/chain.rs
+++ b/ethcore/src/json_tests/chain.rs
@@ -57,7 +57,7 @@ pub fn json_chain_test(json_data: &[u8]) -> Vec<String> {
 			};
 
 			{
-				let db = Arc::new(::kvdb::in_memory(::db::NUM_COLUMNS.unwrap_or(0)));
+				let db = Arc::new(::kvdb_memorydb::in_memory(::db::NUM_COLUMNS.unwrap_or(0)));
 				let mut config = ClientConfig::default();
 				config.history = 8;
 				let client = Client::new(