diff --git a/production/admin.py b/production/admin.py
index 16774de5fb420d01ec1770127df34b489cdae89d..9ede6f036da061eeabb75285eaa83921c7548c88 100644
--- a/production/admin.py
+++ b/production/admin.py
@@ -27,7 +27,7 @@ admin.site.register(ProductionStream, ProductionStreamAdmin)
 
 class ProductionEventAdminForm(forms.ModelForm):
     stream = forms.ModelChoiceField(
-        queryset=ProductionStream.objects.order_by('-submission.arxiv_identifier_w_vn_nr'))
+        queryset=ProductionStream.objects.order_by('-submission__arxiv_identifier_w_vn_nr'))
 
     class Meta:
         model = ProductionEvent