diff --git a/pym/cl_profile.py b/pym/cl_profile.py
index 9dde57e..ebd6f05 100644
--- a/pym/cl_profile.py
+++ b/pym/cl_profile.py
@@ -1965,6 +1965,7 @@ class _file(_error):
             except:
                 self.setError (_("not open file:" ) + self.nameFileOld)
                 return False
+            self.FO.flush()
             return True
 
     def getModeFile(self, nameFile):