diff --git a/CHANGES.rst b/CHANGES.rst
index 91847393..65276bec 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -40,6 +40,7 @@ Changes in this release include the following:
 
 * Add methods to wx.TextCtrl for output "file-like" compatibility. (#578)
 
+* Fix object ownership issue for menus added to toolbar items. (#580)
 
 
 
diff --git a/etg/toolbar.py b/etg/toolbar.py
index 3337fcea..f3c872b7 100644
--- a/etg/toolbar.py
+++ b/etg/toolbar.py
@@ -65,6 +65,7 @@ def run():
     gcd.type = 'wxPyUserData*'
     gcd.setCppCode('return dynamic_cast<wxPyUserData*>(self->GetClientData());')
 
+    c.find('SetDropdownMenu.menu').transfer = True
 
 
     #---------------------------------------------
@@ -96,6 +97,8 @@ def run():
     c.find('OnRightClick').ignore()
     c.find('OnLeftClick').ignore()
 
+    c.find('SetDropdownMenu.menu').transfer = True
+
 
     # Add some deprecated methods to aid with Classic compatibility.
     # TODO: Which others are commonly enough used that they should be here too?