diff --git a/fet2020/posts/forms.py b/fet2020/posts/forms.py
index 4af8c780..9041c1bb 100644
--- a/fet2020/posts/forms.py
+++ b/fet2020/posts/forms.py
@@ -73,9 +73,8 @@ class NewsForm(PostForm):
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)  # to get the self.fields set
-        self.fields["author"].queryset = self.fields["author"].queryset.order_by(
-            "username"
-        )
+        author_qs = self.fields["author"].queryset.order_by("username")
+        self.fields["author"].queryset = author_qs
 
 
 class EventForm(PostForm):
@@ -125,9 +124,8 @@ class EventForm(PostForm):
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)  # to get the self.fields set
-        self.fields["author"].queryset = self.fields["author"].queryset.order_by(
-            "username"
-        )
+        author_qs = self.fields["author"].queryset.order_by("username")
+        self.fields["author"].queryset = author_qs
 
         self.fields["event_start"].required = True
         self.fields["event_end"].required = False