diff --git a/include/maskfld.cpp b/include/maskfld.cpp
index 635348547..9b92c6155 100755
--- a/include/maskfld.cpp
+++ b/include/maskfld.cpp
@@ -1618,7 +1618,8 @@ void TList_sheet::do_output(CheckTime t)
       if (field().dlg() != id && hit)
       {
         f.on_hit();
-        f.check();
+        if (t == RUNNING_CHECK)
+          f.check();
       }
     }
   }
@@ -2013,7 +2014,8 @@ void TBrowse::do_output(CheckTime t)
       if (field().dlg() != id && hit)
       {
         f.on_hit();
-        f.check();
+        if (t == RUNNING_CHECK)
+          f.check();
       }
     }
   }