diff --git a/coreos-config/compose/03_search/settings.yml b/coreos-config/compose/03_search/settings.yml
index 975fa05..1c404db 100644
--- a/coreos-config/compose/03_search/settings.yml
+++ b/coreos-config/compose/03_search/settings.yml
@@ -105,7 +105,7 @@ ui:
 # Note: since commit af77ec3, morty accepts a base64 encoded key.
 #
 result_proxy:
-  url: false  # https://search.tobiasmanske.de/morty/
+  url: None  # https://search.tobiasmanske.de/morty/
   key: !!binary "{{ search.morty.key }}"
   # [true|false] enable the "proxy" button next to each result
   proxify_results: false