diff --git a/rpc/api.go b/rpc/api.go
index cef5e4689..9f0b88b48 100644
--- a/rpc/api.go
+++ b/rpc/api.go
@@ -406,7 +406,7 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error
 	case "eth_compileSolidity", "eth_compileLLL", "eth_compileSerpent":
 		return NewNotImplementedError(req.Method)
 	case "eth_newFilter":
-		args := new(FilterOptions)
+		args := new(BlockFilterArgs)
 		if err := json.Unmarshal(req.Params, &args); err != nil {
 			return err
 		}
@@ -444,7 +444,7 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error
 		}
 		*reply = NewLogsRes(p.xeth().Logs(args.Id))
 	case "eth_getLogs":
-		args := new(FilterOptions)
+		args := new(BlockFilterArgs)
 		if err := json.Unmarshal(req.Params, &args); err != nil {
 			return err
 		}
@@ -561,7 +561,7 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error
 	return nil
 }
 
-func toFilterOptions(options *FilterOptions) *core.FilterOptions {
+func toFilterOptions(options *BlockFilterArgs) *core.FilterOptions {
 	var opts core.FilterOptions
 
 	// Convert optional address slice/string to byte slice
diff --git a/rpc/args.go b/rpc/args.go
index cbb199902..e50c9b1f5 100644
--- a/rpc/args.go
+++ b/rpc/args.go
@@ -433,7 +433,7 @@ func (args *Sha3Args) UnmarshalJSON(b []byte) (err error) {
 	return nil
 }
 
-type FilterOptions struct {
+type BlockFilterArgs struct {
 	Earliest int64
 	Latest   int64
 	Address  interface{}
@@ -442,7 +442,7 @@ type FilterOptions struct {
 	Max      int
 }
 
-func (args *FilterOptions) UnmarshalJSON(b []byte) (err error) {
+func (args *BlockFilterArgs) UnmarshalJSON(b []byte) (err error) {
 	var obj []struct {
 		FromBlock interface{}   `json:"fromBlock"`
 		ToBlock   interface{}   `json:"toBlock"`
diff --git a/rpc/args_test.go b/rpc/args_test.go
index f1ad6e8ed..cfdd278b8 100644
--- a/rpc/args_test.go
+++ b/rpc/args_test.go
@@ -388,7 +388,7 @@ func TestGetDataEmptyArgs(t *testing.T) {
 	}
 }
 
-func TestFilterOptions(t *testing.T) {
+func TestBlockFilterArgs(t *testing.T) {
 	input := `[{
   "fromBlock": "0x1",
   "toBlock": "0x2",
@@ -396,7 +396,7 @@ func TestFilterOptions(t *testing.T) {
   "offset": "0x0",
   "address": "0xd5677cf67b5aa051bb40496e68ad359eb97cfbf8",
   "topics": ["0x12341234"]}]`
-	expected := new(FilterOptions)
+	expected := new(BlockFilterArgs)
 	expected.Earliest = 1
 	expected.Latest = 2
 	expected.Max = 3
@@ -404,7 +404,7 @@ func TestFilterOptions(t *testing.T) {
 	expected.Address = "0xd5677cf67b5aa051bb40496e68ad359eb97cfbf8"
 	// expected.Topics = []string{"0x12341234"}
 
-	args := new(FilterOptions)
+	args := new(BlockFilterArgs)
 	if err := json.Unmarshal([]byte(input), &args); err != nil {
 		t.Error(err)
 	}
@@ -434,16 +434,16 @@ func TestFilterOptions(t *testing.T) {
 	// }
 }
 
-func TestFilterOptionsWords(t *testing.T) {
+func TestBlockFilterArgsWords(t *testing.T) {
 	input := `[{
   "fromBlock": "latest",
   "toBlock": "pending"
   }]`
-	expected := new(FilterOptions)
+	expected := new(BlockFilterArgs)
 	expected.Earliest = 0
 	expected.Latest = -1
 
-	args := new(FilterOptions)
+	args := new(BlockFilterArgs)
 	if err := json.Unmarshal([]byte(input), &args); err != nil {
 		t.Error(err)
 	}
@@ -457,13 +457,13 @@ func TestFilterOptionsWords(t *testing.T) {
 	}
 }
 
-func TestFilterOptionsNums(t *testing.T) {
+func TestBlockFilterArgsNums(t *testing.T) {
 	input := `[{
   "fromBlock": 2,
   "toBlock": 3
   }]`
 
-	args := new(FilterOptions)
+	args := new(BlockFilterArgs)
 	err := json.Unmarshal([]byte(input), &args)
 	switch err.(type) {
 	case *DecodeParamError:
@@ -474,10 +474,10 @@ func TestFilterOptionsNums(t *testing.T) {
 
 }
 
-func TestFilterOptionsEmptyArgs(t *testing.T) {
+func TestBlockFilterArgsEmptyArgs(t *testing.T) {
 	input := `[]`
 
-	args := new(FilterOptions)
+	args := new(BlockFilterArgs)
 	err := json.Unmarshal([]byte(input), &args)
 	if err == nil {
 		t.Error("Expected error but didn't get one")