diff --git a/protocol/json/server.go b/protocol/json/server.go
index bf0f729..878122e 100644
--- a/protocol/json/server.go
+++ b/protocol/json/server.go
@@ -164,7 +164,7 @@ func (scr *ServerCodecRequest) ReadParams(args []interface{}) error {
 	if scr.err == nil && scr.request.Params != nil {
 		// Note: if scr.request.Params is nil it's not an error, it's an optional member.
 		// JSON params structured object. Unmarshal to the args object.
-		if err := json.Unmarshal(*scr.request.Params, args); err != nil {
+		if err := json.Unmarshal(*scr.request.Params, &args); err != nil {
 			// Clearly JSON params is not a structured object,
 			// fallback and attempt an unmarshal with JSON params as
 			// array value and RPC params is struct. Unmarshal into