diff --git a/src/include/isam.cpp b/src/include/isam.cpp
index 714cd4670..e8adb9d39 100755
--- a/src/include/isam.cpp
+++ b/src/include/isam.cpp
@@ -3265,7 +3265,6 @@ TRectype::TRectype(const TRectype& r)
     init_memo(r._memo_data->recno(), r._memo_data->file());
     *_memo_data = *r._memo_data;
   }               
-  _modified_fields = r._modified_fields;
   memcpy(_rec, r._rec, _length);
   memcpy(_tab, r._tab, sizeof(_tab));
   setempty(r.empty());
diff --git a/src/include/isam.h b/src/include/isam.h
index 9ce040430..9b605d253 100755
--- a/src/include/isam.h
+++ b/src/include/isam.h
@@ -165,6 +165,8 @@ public:
   virtual int ndec(const char* fieldname) const;
   // @cmember Indica se esiste il campo <p fieldname>
   virtual bool exist(const char* fieldname) const;
+  // @cmember Indica se esiste il campo <p fieldname> e ritorna la ppsizionr
+  virtual int find(const char* fieldname) const;
   // @cmember Ritorna il nome del campo <p i>-esimo
   const char* fieldname(int i) const;