diff --git a/ethcore/src/blockchain.rs b/ethcore/src/blockchain.rs
index 085976a8d..40a3f0606 100644
--- a/ethcore/src/blockchain.rs
+++ b/ethcore/src/blockchain.rs
@@ -52,7 +52,7 @@ pub struct CacheSize {
 	/// Blooms cache size.
 	pub blocks_blooms: usize,
 	/// Block receipts size.
-	pub block_receipts: usize
+	pub block_receipts: usize,
 }
 
 struct BloomIndexer {
@@ -106,7 +106,7 @@ struct ExtrasUpdate {
 	/// New best block (if it has changed).
 	new_best: Option<BestBlock>,
 	/// Changed blocks bloom location hashes.
-	bloom_hashes: HashSet<H256>
+	bloom_hashes: HashSet<H256>,
 }
 
 impl CacheSize {
diff --git a/ethcore/src/chainfilter/chainfilter.rs b/ethcore/src/chainfilter/chainfilter.rs
index 6b30066f7..e0a281f12 100644
--- a/ethcore/src/chainfilter/chainfilter.rs
+++ b/ethcore/src/chainfilter/chainfilter.rs
@@ -65,7 +65,7 @@ pub struct ChainFilter<'a, D>
 	where D: FilterDataSource + 'a
 {
 	data_source: &'a D,
-	indexer: Indexer
+	indexer: Indexer,
 }
 
 impl<'a, D> ChainFilter<'a, D> where D: FilterDataSource
diff --git a/ethcore/src/chainfilter/indexer.rs b/ethcore/src/chainfilter/indexer.rs
index 141a4e7d3..524fab1a9 100644
--- a/ethcore/src/chainfilter/indexer.rs
+++ b/ethcore/src/chainfilter/indexer.rs
@@ -21,7 +21,7 @@ use chainfilter::BloomIndex;
 /// Simplifies working with bloom indexes.
 pub struct Indexer {
 	index_size: usize,
-	level_sizes: Vec<usize>
+	level_sizes: Vec<usize>,
 }
 
 impl Indexer {
diff --git a/rpc/src/v1/types/filter.rs b/rpc/src/v1/types/filter.rs
index bb932f349..c5c3604dd 100644
--- a/rpc/src/v1/types/filter.rs
+++ b/rpc/src/v1/types/filter.rs
@@ -26,7 +26,7 @@ use ethcore::client::BlockId;
 pub enum VariadicValue<T> where T: Deserialize {
 	Single(T),
 	Multiple(Vec<T>),
-	Null
+	Null,
 }
 
 impl<T> Deserialize for VariadicValue<T> where T: Deserialize {
@@ -54,7 +54,7 @@ pub struct Filter {
 	#[serde(rename="toBlock")]
 	pub to_block: Option<BlockNumber>,
 	pub address: Option<FilterAddress>,
-	pub topics: Option<Vec<Topic>>
+	pub topics: Option<Vec<Topic>>,
 }
 
 impl Into<EthFilter> for Filter {