diff --git a/include/sheet.cpp b/include/sheet.cpp
index e95796361..9dde5ddd0 100755
--- a/include/sheet.cpp
+++ b/include/sheet.cpp
@@ -410,7 +410,7 @@ void TSheet_control::check(
     else
       _checked.reset();
     
-    XI_OBJ* column = xi_get_obj(_obj, FIRST_FIELD);
+    XI_OBJ* column = xi_get_obj(_obj, FIRST_FIELD+1000);
     xi_cell_request(column);
   }     
   else