diff --git a/app/routes.py b/app/routes.py
index 6c9e6ee..c6e7788 100644
--- a/app/routes.py
+++ b/app/routes.py
@@ -412,7 +412,7 @@ def admin():
     password_form = PasswordForm()
     if request.method == "GET":
         password_form.value.data = generate_password()
-    deck_form.deck.choices = get_available_decks(current_app, active_course)
+    deck_form.deck.choices = get_available_decks(active_course)
     decks = active_course.decks
     password_form.decks.choices = [(deck.id, deck.name) for deck in decks]