diff --git a/src/invidious/user/preferences.cr b/src/invidious/user/preferences.cr
index f8633392..8703d10e 100644
--- a/src/invidious/user/preferences.cr
+++ b/src/invidious/user/preferences.cr
@@ -3,7 +3,7 @@
 # all the associated validation/parsing routines.
 #
 
-struct Preferences
+class Preferences
   include JSON::Serializable
   include YAML::Serializable