diff --git a/aether/config.nix b/aether/config.nix
index 9fd4a76..bc9b490 100644
--- a/aether/config.nix
+++ b/aether/config.nix
@@ -51,7 +51,8 @@
     };
 
     ui = {
-      DEFAULT_THEME = "forgejo-dark";
+      DEFAULT_THEME = "forgejo-tokyo-night";
+      THEMES = "forgejo-tokyo-night";
       GRAPH_MAX_COMMIT_NUM = 250;
     };
     "ui.meta" = {