diff --git a/ethcore/src/trace/types/filter.rs b/ethcore/src/trace/types/filter.rs
index 35d70f84e..00fff0014 100644
--- a/ethcore/src/trace/types/filter.rs
+++ b/ethcore/src/trace/types/filter.rs
@@ -142,7 +142,8 @@ mod tests {
 	use util::Address;
 	use util::sha3::Hashable;
 	use util::bloom::Bloomable;
-	use trace::trace::{Action, Call, Res, Create, CreateResult, Suicide};
+	use trace::trace::{Action, Call, Res, Create, CreateResult, Suicide, Reward};
+	use types::trace_types::trace::RewardType;
 	use trace::flat::FlatTrace;
 	use trace::{Filter, AddressesFilter, TraceError};
 	use evm::CallType;
@@ -345,5 +346,24 @@ mod tests {
 		assert!(f4.matches(&trace));
 		assert!(f5.matches(&trace));
 		assert!(!f6.matches(&trace));
+
+		let trace = FlatTrace {
+			action: Action::Reward(Reward {
+				miner: 2.into(),
+				value: 100.into(),
+				reward_type: RewardType::Block,
+			}),
+			result: Res::None,
+			trace_address: vec![].into_iter().collect(),
+			subtraces: 0
+		};
+
+		assert!(f0.matches(&trace));
+		assert!(f1.matches(&trace));
+		assert!(f2.matches(&trace));
+		assert!(f3.matches(&trace));
+		assert!(f4.matches(&trace));
+		assert!(f5.matches(&trace));
+		assert!(!f6.matches(&trace));
 	}
 }
diff --git a/ethcore/src/trace/types/flat.rs b/ethcore/src/trace/types/flat.rs
index da304694d..536ecbef3 100644
--- a/ethcore/src/trace/types/flat.rs
+++ b/ethcore/src/trace/types/flat.rs
@@ -162,8 +162,9 @@ impl Into<Vec<FlatTransactionTraces>> for FlatBlockTraces {
 mod tests {
 	use rlp::*;
 	use super::{FlatBlockTraces, FlatTransactionTraces, FlatTrace};
-	use trace::trace::{Action, Res, CallResult, Call, Suicide};
+	use trace::trace::{Action, Res, CallResult, Call, Suicide, Reward};
 	use evm::CallType;
+    use types::trace_types::trace::RewardType;
 
 	#[test]
 	fn encode_flat_transaction_traces() {
@@ -238,9 +239,32 @@ mod tests {
 			subtraces: 0,
 		};
 
+		let flat_trace3 = FlatTrace {
+			action: Action::Reward(Reward {
+				miner: "412fda7643b37d436cb40628f6dbbb80a07267ed".parse().unwrap(),
+				value: 10.into(),
+				reward_type: RewardType::Uncle,
+			}),
+			result: Res::None,
+			trace_address: vec![0].into_iter().collect(),
+			subtraces: 0,
+		};
+
+		let flat_trace4 = FlatTrace {
+			action: Action::Reward(Reward {
+				miner: "412fda7643b37d436cb40628f6dbbb80a07267ed".parse().unwrap(),
+				value: 10.into(),
+				reward_type: RewardType::Block,
+			}),
+			result: Res::None,
+			trace_address: vec![0].into_iter().collect(),
+			subtraces: 0,
+		};
+
 		let block_traces = FlatBlockTraces(vec![
 			FlatTransactionTraces(vec![flat_trace]),
-			FlatTransactionTraces(vec![flat_trace1, flat_trace2])
+			FlatTransactionTraces(vec![flat_trace1, flat_trace2]),
+			FlatTransactionTraces(vec![flat_trace3, flat_trace4])
 		]);
 
 		let encoded = ::rlp::encode(&block_traces);
diff --git a/ethcore/src/trace/types/trace.rs b/ethcore/src/trace/types/trace.rs
index 69e351cbb..faa4ca78f 100644
--- a/ethcore/src/trace/types/trace.rs
+++ b/ethcore/src/trace/types/trace.rs
@@ -273,7 +273,7 @@ impl Reward {
 
 impl Encodable for Reward {
 	fn rlp_append(&self, s: &mut RlpStream) {
-		s.begin_list(2);
+		s.begin_list(3);
 		s.append(&self.miner);
 		s.append(&self.value);
 		s.append(&self.reward_type);
diff --git a/rpc/src/v1/types/trace.rs b/rpc/src/v1/types/trace.rs
index 0fef8ae2b..3de90a75d 100644
--- a/rpc/src/v1/types/trace.rs
+++ b/rpc/src/v1/types/trace.rs
@@ -763,6 +763,26 @@ mod tests {
 		assert_eq!(serialized, r#"{"type":"suicide","action":{"address":"0x0000000000000000000000000000000000000004","refundAddress":"0x0000000000000000000000000000000000000006","balance":"0x7"},"result":null,"traceAddress":[10],"subtraces":1,"transactionPosition":11,"transactionHash":"0x000000000000000000000000000000000000000000000000000000000000000c","blockNumber":13,"blockHash":"0x000000000000000000000000000000000000000000000000000000000000000e"}"#);
 	}
 
+	#[test]
+	fn test_trace_reward_serialize() {
+		let t = LocalizedTrace {
+			action: Action::Reward(Reward {
+				miner: 4.into(),
+				value: 6.into(),
+				reward_type: RewardType::Block,
+			}),
+			result: Res::None,
+			trace_address: vec![10],
+			subtraces: 1,
+			transaction_position: 11,
+			transaction_hash: 12.into(),
+			block_number: 13,
+			block_hash: 14.into(),
+		};
+		let serialized = serde_json::to_string(&t).unwrap();
+		assert_eq!(serialized, r#"{"type":"reward","action":{"miner":"0x0000000000000000000000000000000000000004","value":"0x0000000000000000000000000000000000000006","rewardType":"block"},"result":null,"traceAddress":[10],"subtraces":1,"transactionPosition":11,"transactionHash":"0x000000000000000000000000000000000000000000000000000000000000000c","blockNumber":13,"blockHash":"0x000000000000000000000000000000000000000000000000000000000000000e"}"#);
+	}
+
 	#[test]
 	fn test_vmtrace_serialize() {
 		let t = VMTrace {