diff --git a/rpc/src/v1/impls/eth.rs b/rpc/src/v1/impls/eth.rs
index 42e58493a..689afd019 100644
--- a/rpc/src/v1/impls/eth.rs
+++ b/rpc/src/v1/impls/eth.rs
@@ -210,7 +210,6 @@ impl Eth for EthClient {
 	}
 }
 
-
 /// Eth filter rpc implementation.
 pub struct EthFilterClient {
 	client: Arc<Client>
diff --git a/rpc/src/v1/types/log.rs b/rpc/src/v1/types/log.rs
index 4b8661075..83880a222 100644
--- a/rpc/src/v1/types/log.rs
+++ b/rpc/src/v1/types/log.rs
@@ -50,3 +50,34 @@ impl From<LocalizedLogEntry> for Log {
 		}
 	}
 }
+
+#[cfg(test)]
+mod tests {
+	use serde_json;
+	use std::str::FromStr;
+	use util::hash::*;
+	use util::uint::*;
+	use v1::types::{Bytes, Log};
+
+	#[test]
+	fn log_serialization() {
+		let s = r#"{"address":"0x33990122638b9132ca29c723bdf037f1a891a70c","topics":["0xa6697e974e6a320f454390be03f74955e8978f1a6971ea6730542e37b66179bc","0x4861736852656700000000000000000000000000000000000000000000000000"],"data":"0x","blockHash":"0xed76641c68a1c641aee09a94b3b471f4dc0316efe5ac19cf488e2674cf8d05b5","blockNumber":"0x04510c","transactionHash":"0x0000000000000000000000000000000000000000000000000000000000000000","transactionIndex":"0x00","logIndex":"0x01"}"#;
+
+		let log = Log {
+			address: Address::from_str("33990122638b9132ca29c723bdf037f1a891a70c").unwrap(),
+			topics: vec![
+				H256::from_str("a6697e974e6a320f454390be03f74955e8978f1a6971ea6730542e37b66179bc").unwrap(), 
+				H256::from_str("4861736852656700000000000000000000000000000000000000000000000000").unwrap()
+			],
+			data: Bytes::new(vec![]),
+			block_hash: H256::from_str("ed76641c68a1c641aee09a94b3b471f4dc0316efe5ac19cf488e2674cf8d05b5").unwrap(),
+			block_number: U256::from(0x4510c),
+			transaction_hash: H256::new(),
+			transaction_index: U256::zero(),
+			log_index: U256::one()
+		};
+
+		let serialized = serde_json::to_string(&log).unwrap();
+		assert_eq!(serialized, s);
+	}
+}