diff --git a/src/serialization/serialization.h b/src/serialization/serialization.h
index fa1565b0..b3b54e23 100644
--- a/src/serialization/serialization.h
+++ b/src/serialization/serialization.h
@@ -61,10 +61,10 @@ inline bool do_serialize(Archive &ar, T &v)
 #define VARIANT_TAG(A, T, Tg) \
   template <bool W> struct variant_serialization_traits<A<W>, T> { static inline typename A<W>::variant_tag_type get_tag() { return Tg; } }
 #define BEGIN_SERIALIZE() \
-  template <bool W, template <bool> class Archive> bool do_serialize(Archive<W> &ar) {
+  template <bool W, template <bool> class Archive> bool do_serialize(Archive<W> &_ser_ar) {
 #define BEGIN_SERIALIZE_OBJECT() \
-  template <bool W, template <bool> class Archive> bool do_serialize(Archive<W> &ar) { ar.begin_object(); bool r = do_serialize_object(ar); ar.end_object(); return r; } \
-  template <bool W, template <bool> class Archive> bool do_serialize_object(Archive<W> &ar){
+  template <bool W, template <bool> class Archive> bool do_serialize(Archive<W> &_ser_ar) { _ser_ar.begin_object(); bool _ser_res = do_serialize_object(_ser_ar); _ser_ar.end_object(); return _ser_res; } \
+  template <bool W, template <bool> class Archive> bool do_serialize_object(Archive<W> &_ser_ar){
 #define PREPARE_CUSTOM_VECTOR_SERIALIZATION(size, vec) ::serialization::detail::prepare_custom_vector_serialization(size, vec, typename Archive<W>::is_saving())
 
 #define END_SERIALIZE() return true;}
@@ -72,30 +72,30 @@ inline bool do_serialize(Archive &ar, T &v)
 
 #define VALUE(f) \
 do { \
-  ar.tag(#f); \
-  bool r = ::do_serialize(ar, f); \
-  if (!r || !ar.stream().good()) return false; \
+  _ser_ar.tag(#f); \
+  bool _ser_res = ::do_serialize(_ser_ar, f); \
+  if (!_ser_res || !_ser_ar.stream().good()) return false; \
 } while (0);
 #define FIELD_N(t, f) \
 do { \
-  ar.tag(t); \
-  bool r = ::do_serialize(ar, f); \
-  if (!r || !ar.stream().good()) return false; \
+  _ser_ar.tag(t); \
+  bool _ser_res = ::do_serialize(_ser_ar, f); \
+  if (!_ser_res || !_ser_ar.stream().good()) return false; \
 } while (0);
 #define FIELDS(f) \
-  bool r = ::do_serialize(ar, f); \
-if (!r || !ar.stream().good()) return false;
+  bool _ser_res = ::do_serialize(_ser_ar, f); \
+if (!_ser_res || !_ser_ar.stream().good()) return false;
 #define FIELD(f) \
 do { \
-  ar.tag(#f); \
-  bool r = ::do_serialize(ar, f); \
-  if (!r || !ar.stream().good()) return false; \
+  _ser_ar.tag(#f); \
+  bool _ser_res = ::do_serialize(_ser_ar, f); \
+  if (!_ser_res || !_ser_ar.stream().good()) return false; \
 } while (0);
 #define VARINT_FIELD(f) \
 do { \
-  ar.tag(#f); \
-  ar.serialize_varint(f); \
-  if (!ar.stream().good()) return false; \
+  _ser_ar.tag(#f); \
+  _ser_ar.serialize_varint(f); \
+  if (!_ser_ar.stream().good()) return false; \
 } while (0);
 
 #define DEFINE_SERIALIZATION_VERSION(v) inline static uint32_t get_serialization_version() { return v; }
@@ -103,11 +103,11 @@ do { \
 
 #define VERSION_ENTRY(f) \
 do { \
-  ar.tag(#f); \
-  if (ar.is_saving_arch())  \
+  _ser_ar.tag(#f); \
+  if (_ser_ar.is_saving_arch())  \
     f = this->get_serialization_version(); \
-  bool r = ::do_serialize(ar, f); \
-  if (!r || !ar.stream().good()) return false; \
+  bool _ser_res = ::do_serialize(_ser_ar, f); \
+  if (!_ser_res || !_ser_ar.stream().good()) return false; \
 } while (0);
 
 template<typename first_type, typename second_type>
@@ -243,7 +243,7 @@ struct transition_t<false, destination_t>
   }
 };
 
-#define CHAIN_TRANSITION_VER(tx_version, old_type)   if (tx_version == version) return transition_t<W, old_type>::chain_serialize(ar, *this);
+#define CHAIN_TRANSITION_VER(tx_version, old_type)   if (tx_version == version) return transition_t<W, old_type>::chain_serialize(_ser_ar, *this);
 
 #include "serialize_basic_types.h"
 #include "string.h"