diff --git a/substrate/node/runtime/src/lib.rs b/substrate/node/runtime/src/lib.rs
index 4c019c03c9..170c2924e0 100644
--- a/substrate/node/runtime/src/lib.rs
+++ b/substrate/node/runtime/src/lib.rs
@@ -60,7 +60,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	impl_name: create_runtime_str!("substrate-node"),
 	authoring_version: 10,
 	spec_version: 62,
-	impl_version: 63,
+	impl_version: 64,
 	apis: RUNTIME_API_VERSIONS,
 };
 
diff --git a/substrate/srml/contract/src/account_db.rs b/substrate/srml/contract/src/account_db.rs
index 566b1c4c84..fdf36ee8ac 100644
--- a/substrate/srml/contract/src/account_db.rs
+++ b/substrate/srml/contract/src/account_db.rs
@@ -105,7 +105,7 @@ impl<T: Trait> AccountDb<T> for DirectAccountDb {
 
 				let mut new_storage_size = info.storage_size;
 				for (k, v) in changed.storage.into_iter() {
-					if let Some(value) = child::get::<Vec<u8>>(&info.trie_id[..], &k) {
+					if let Some(value) = child::get_raw(&info.trie_id[..], &k) {
 						new_storage_size -= value.len() as u64;
 					}
 					if let Some(value) = v {