diff --git a/rpc/api.go b/rpc/api.go
index bde24847f..ad48b8607 100644
--- a/rpc/api.go
+++ b/rpc/api.go
@@ -417,7 +417,7 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
 			return err
 		}
 		opts := new(xeth.Options)
-		opts.From = args.From
+		// opts.From = args.From
 		opts.To = args.To
 		opts.Topics = args.Topics
 		id := api.xeth().NewWhisperFilter(opts)
diff --git a/rpc/args.go b/rpc/args.go
index 0169ece58..5ad971ced 100644
--- a/rpc/args.go
+++ b/rpc/args.go
@@ -720,9 +720,8 @@ type WhisperFilterArgs struct {
 
 func (args *WhisperFilterArgs) UnmarshalJSON(b []byte) (err error) {
 	var obj []struct {
-		To     string
-		From   string
-		Topics []string
+		To     interface{}
+		Topics []interface{}
 	}
 
 	if err = json.Unmarshal(b, &obj); err != nil {
@@ -733,9 +732,22 @@ func (args *WhisperFilterArgs) UnmarshalJSON(b []byte) (err error) {
 		return NewInsufficientParamsError(len(obj), 1)
 	}
 
-	args.To = obj[0].To
-	args.From = obj[0].From
-	args.Topics = obj[0].Topics
+	var argstr string
+	argstr, ok := obj[0].To.(string)
+	if !ok {
+		return NewInvalidTypeError("to", "is not a string")
+	}
+	args.To = argstr
+
+	t := make([]string, len(obj[0].Topics))
+	for i, j := range obj[0].Topics {
+		argstr, ok := j.(string)
+		if !ok {
+			return NewInvalidTypeError("topics["+string(i)+"]", "is not a string")
+		}
+		t[i] = argstr
+	}
+	args.Topics = t
 
 	return nil
 }
diff --git a/rpc/args_test.go b/rpc/args_test.go
index 7cb63b67e..f668dfdd4 100644
--- a/rpc/args_test.go
+++ b/rpc/args_test.go
@@ -1086,10 +1086,9 @@ func TestFilterIdArgsBool(t *testing.T) {
 	}
 }
 
-func TestWhsiperFilterArgs(t *testing.T) {
+func TestWhisperFilterArgs(t *testing.T) {
 	input := `[{"topics": ["0x68656c6c6f20776f726c64"], "to": "0x34ag445g3455b34"}]`
 	expected := new(WhisperFilterArgs)
-	expected.From = ""
 	expected.To = "0x34ag445g3455b34"
 	expected.Topics = []string{"0x68656c6c6f20776f726c64"}
 
@@ -1098,10 +1097,6 @@ func TestWhsiperFilterArgs(t *testing.T) {
 		t.Error(err)
 	}
 
-	if expected.From != args.From {
-		t.Errorf("From shoud be %#v but is %#v", expected.From, args.From)
-	}
-
 	if expected.To != args.To {
 		t.Errorf("To shoud be %#v but is %#v", expected.To, args.To)
 	}
@@ -1111,6 +1106,46 @@ func TestWhsiperFilterArgs(t *testing.T) {
 	// }
 }
 
+func TestWhisperFilterArgsInvalid(t *testing.T) {
+	input := `{}`
+
+	args := new(WhisperFilterArgs)
+	str := ExpectDecodeParamError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestWhisperFilterArgsEmpty(t *testing.T) {
+	input := `[]`
+
+	args := new(WhisperFilterArgs)
+	str := ExpectInsufficientParamsError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestWhisperFilterArgsToBool(t *testing.T) {
+	input := `[{"topics": ["0x68656c6c6f20776f726c64"], "to": false}]`
+
+	args := new(WhisperFilterArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
+func TestWhisperFilterArgsTopicInt(t *testing.T) {
+	input := `[{"topics": [6], "to": "0x34ag445g3455b34"}]`
+
+	args := new(WhisperFilterArgs)
+	str := ExpectInvalidTypeError(json.Unmarshal([]byte(input), args))
+	if len(str) > 0 {
+		t.Error(str)
+	}
+}
+
 func TestCompileArgs(t *testing.T) {
 	input := `["contract test { function multiply(uint a) returns(uint d) {   return a * 7;   } }"]`
 	expected := new(CompileArgs)