diff --git a/include/sheet.cpp b/include/sheet.cpp
index d7e687b36..dc8655729 100755
--- a/include/sheet.cpp
+++ b/include/sheet.cpp
@@ -617,8 +617,9 @@ bool TSheet_control::event_handler(XI_OBJ* itf, XI_EVENT *xiev)
       const long rec = row2rec(row);
       const short cid = column[col]->cid;
       if (cid >= FIRST_FIELD)
-      {
-        toggle(rec);
+      { 
+        if (check_enabled())
+          toggle(rec);
 //        XI_OBJ cell; XI_MAKE_CELL(&cell, _obj, row, col);
 //        xi_cell_request(&cell);
       }
@@ -876,7 +877,8 @@ bool TSheet::tutti_handler(TMask_field& f, KEY k)
   if (k == K_SPACE)
   {       
     TSheet& s = (TSheet&)f.mask();
-    s.check(-1, !s.one_checked());
+		if (s.check_enabled())
+			s.check(-1, !s.one_checked());
   }
   return TRUE;
 }