diff --git a/openslides/projector/projector.py b/openslides/projector/projector.py
index 537bfc40d..b8ca8bef6 100644
--- a/openslides/projector/projector.py
+++ b/openslides/projector/projector.py
@@ -166,5 +166,7 @@ class Overlay(object):
             return self.get_projector_html()
 
     def is_active(self):
-        return (self.name in config['projector_active_overlays'] and
-                self.get_projector_html() is not None)
+        return self.name in config['projector_active_overlays']
+
+    def show_on_projector(self):
+        return self.is_active and self.get_projector_html() is not None
diff --git a/openslides/projector/views.py b/openslides/projector/views.py
index 76a92561d..a33fd2062 100644
--- a/openslides/projector/views.py
+++ b/openslides/projector/views.py
@@ -86,7 +86,7 @@ class Projector(TemplateView, AjaxMixin):
         # Do not show overlays on slide preview
         if self.kwargs['sid'] is None:
             for receiver, overlay in projector_overlays.send(sender=self):
-                if overlay.is_active():
+                if overlay.show_on_projector():
                     data['overlays'].append({'name': overlay.name,
                                              'html': overlay.get_projector_html()})