diff --git a/include/relapp.cpp b/include/relapp.cpp
index 838546b2a..b217a5c42 100755
--- a/include/relapp.cpp
+++ b/include/relapp.cpp
@@ -379,7 +379,6 @@ bool TRelation_application::modify_mode()
   
   set_mode(MODE_MOD);
                                   
-  _mask->reset();                                
   err = read(*_mask);
   if (err != NOERR)
   {