diff --git a/hosts/nachtigall/mastodon.nix b/hosts/nachtigall/apps/mastodon.nix
similarity index 100%
rename from hosts/nachtigall/mastodon.nix
rename to hosts/nachtigall/apps/mastodon.nix
diff --git a/hosts/nachtigall/postgresql.nix b/hosts/nachtigall/apps/postgresql.nix
similarity index 100%
rename from hosts/nachtigall/postgresql.nix
rename to hosts/nachtigall/apps/postgresql.nix
diff --git a/hosts/nachtigall/default.nix b/hosts/nachtigall/default.nix
index 9b017a2..1e1c2f7 100644
--- a/hosts/nachtigall/default.nix
+++ b/hosts/nachtigall/default.nix
@@ -5,7 +5,7 @@
     [ # Include the results of the hardware scan.
       ./hardware-configuration.nix
       ./configuration.nix
-      ./mastodon.nix
-      ./postgresql.nix
+      ./apps/mastodon.nix
+      ./apps/postgresql.nix
     ];
 }