diff --git a/src/sugar3/activity/activity.py b/src/sugar3/activity/activity.py
index 08dd2e6a..3ad4a44f 100644
--- a/src/sugar3/activity/activity.py
+++ b/src/sugar3/activity/activity.py
@@ -328,7 +328,7 @@ class Activity(Window, Gtk.Container):
         'joined': (GObject.SignalFlags.RUN_FIRST, None, ([])),
         # For internal use only, use can_close() if you want to perform extra
         # checks before actually closing
-        '_closing': (GObject.SignalFlags.RUN_FIRST, None, ([])),
+        'closing': (GObject.SignalFlags.RUN_FIRST, None, ([])),
     }
 
     def __init__(self, handle, create_jobject=True):
@@ -1301,7 +1301,7 @@ class Activity(Window, Gtk.Container):
 
     def _do_close(self, skip_save):
         self.busy()
-        self.emit('_closing')
+        self.emit('closing')
         if not self._closing:
             if not self._prepare_close(skip_save):
                 return
diff --git a/src/sugar3/activity/widgets.py b/src/sugar3/activity/widgets.py
index 57223f4b..7982489e 100644
--- a/src/sugar3/activity/widgets.py
+++ b/src/sugar3/activity/widgets.py
@@ -189,7 +189,7 @@ class TitleEntry(Gtk.ToolItem):
         self.add(self.entry)
 
         activity.metadata.connect('updated', self.__jobject_updated_cb)
-        activity.connect('_closing', self.__closing_cb)
+        activity.connect('closing', self.__closing_cb)
 
     def __activate_cb(self, entry, activity):
         self.save_title(activity)