1 files changed, 9 insertions, 2 deletions
diff --git a/src/server/shared/JSON/ProtobufJSON.h b/src/server/shared/JSON/ProtobufJSON.h
index 876028e518c..bae1cffc1d6 100644
--- a/src/server/shared/JSON/ProtobufJSON.h
+++ b/src/server/shared/JSON/ProtobufJSON.h
@@ -19,13 +19,20 @@
 #define ProtobufJSON_h__
 
 #include "Define.h"
-#include <google/protobuf/message.h>
 #include <string>
 
+namespace google
+{
+    namespace protobuf
+    {
+        class Message;
+    }
+}
+
 namespace JSON
 {
     TC_SHARED_API std::string Serialize(google::protobuf::Message const& message);
-    TC_SHARED_API bool Deserialize(std::string json, google::protobuf::Message* message);
+    TC_SHARED_API bool Deserialize(std::string const& json, google::protobuf::Message* message);
 }
 
 #endif // ProtobufJSON_h__