diff --git a/msupport/django/r9232/django/views/i18n.py b/msupport/django/r9232/django/views/i18n.py
index 0107bc2..60f0279 100644
--- a/msupport/django/r9232/django/views/i18n.py
+++ b/msupport/django/r9232/django/views/i18n.py
@@ -145,7 +145,7 @@ def javascript_catalog(request, domain='djangojs', packages=None):
             except IOError:
                 catalog = None
             if catalog is not None:
-                t.update(catalog._catalog)
+                t = catalog._catalog
     src = [LibHead]
     plural = None
     if '' in t: