diff --git a/pretalx_youtube/forms.py b/pretalx_youtube/forms.py
index b61d477..a14c539 100644
--- a/pretalx_youtube/forms.py
+++ b/pretalx_youtube/forms.py
@@ -13,11 +13,11 @@ class FileUploadForm(forms.Form):
 
 class YouTubeUrlForm(forms.Form):
     def __init__(self, *args, event, **kwargs):
-        if not event.current_schedule:
-            return super().__init__(*args, **kwargs)
-
         super().__init__(*args, **kwargs)
 
+        if not event or not event.current_schedule:
+            return
+
         self.talks = (
             event.current_schedule.talks.all()
             .filter(is_visible=True, submission__isnull=False)