diff --git a/mpicms/events/models.py b/mpicms/events/models.py
index 7ddd580..1af9789 100644
--- a/mpicms/events/models.py
+++ b/mpicms/events/models.py
@@ -108,8 +108,8 @@ def events(self):
             return Event.objects.live().specific()
         return self.get_children().type(Event).live().specific()
 
-    def get_json_events(self, request=None):
-        event_dicts = [event.get_dict(request) for event in self.events]
+    def get_json_events(self, request=None, external=False):
+        event_dicts = [ event.get_dict(request) for event in self.events.filter(external=external) ]
         return json.dumps(event_dicts)
 
     def clean(self):  # Prevent more than one event index
diff --git a/mpicms/events/templatetags/event_tags.py b/mpicms/events/templatetags/event_tags.py
index d7d0aac..615c62d 100644
--- a/mpicms/events/templatetags/event_tags.py
+++ b/mpicms/events/templatetags/event_tags.py
@@ -5,5 +5,5 @@
 
 
 @register.simple_tag(takes_context=True)
-def get_json_events(context, event_index):
-    return event_index.get_json_events(request=context['request'])
+def get_json_events(context, event_index, external=False):
+    return event_index.get_json_events(request=context['request'], external=external)