diff --git a/tryton/common/date_widget.py b/tryton/common/date_widget.py
index 5dbf2c3e50..5c2e8e68b9 100644
--- a/tryton/common/date_widget.py
+++ b/tryton/common/date_widget.py
@@ -194,6 +194,7 @@ class DateEntry(gtk.Entry):
                 if self.callback_process:
                     self.callback_process(False, self, event)
                 self.stop_emission("key-press-event")
+                self.activate()
                 return True
         elif event.keyval in (gtk.keysyms.KP_Add, gtk.keysyms.plus,
                 gtk.keysyms.KP_Subtract, gtk.keysyms.minus,