diff --git a/projects/Aerogramme/default.nix b/projects/Aerogramme/default.nix
index 3e6b5540c..0868e3b75 100644
--- a/projects/Aerogramme/default.nix
+++ b/projects/Aerogramme/default.nix
@@ -1,8 +1,10 @@
 {pkgs, ...}: {
   packages = {inherit (pkgs) aerogramme;};
-  # https://aerogramme.deuxfleurs.fr/documentation/cookbook/config/
-  # https://aerogramme.deuxfleurs.fr/documentation/cookbook/service-manager/
-  nixos.services = null;
-  nixos.tests = null;
-  nixos.examples = null;
+  nixos = {
+    # https://aerogramme.deuxfleurs.fr/documentation/cookbook/config/
+    # https://aerogramme.deuxfleurs.fr/documentation/cookbook/service-manager/
+    modules.services = null;
+    tests = null;
+    examples = null;
+  };
 }
diff --git a/projects/CNSPRCY/default.nix b/projects/CNSPRCY/default.nix
index 202c874ad..82b9d37f8 100644
--- a/projects/CNSPRCY/default.nix
+++ b/projects/CNSPRCY/default.nix
@@ -2,8 +2,10 @@
   packages = {
     inherit (pkgs) cnsprcy;
   };
-  # https://git.sr.ht/~xaos/cnsprcy/tree/master/item/src/config.rs
-  nixos.services = null;
-  nixos.tests = null;
-  nixos.examples = null;
+  nixos = {
+    # https://git.sr.ht/~xaos/cnsprcy/tree/master/item/src/config.rs
+    modules.services = null;
+    tests = null;
+    examples = null;
+  };
 }
diff --git a/projects/Flarum/default.nix b/projects/Flarum/default.nix
index 50db5f10e..35ad5cf47 100644
--- a/projects/Flarum/default.nix
+++ b/projects/Flarum/default.nix
@@ -4,5 +4,9 @@
   ...
 }: {
   packages = {inherit (pkgs) flarum;};
-  nixos.modules.services.flarum = "${sources.inputs.nixpkgs}/nixos/modules/services/web-apps/flarum.nix";
+  nixos = {
+    modules.services.flarum = "${sources.inputs.nixpkgs}/nixos/modules/services/web-apps/flarum.nix";
+    tests = null;
+    examples = null;
+  };
 }
diff --git a/projects/Omnom/default.nix b/projects/Omnom/default.nix
index 941a65c45..228e602bc 100644
--- a/projects/Omnom/default.nix
+++ b/projects/Omnom/default.nix
@@ -1,7 +1,9 @@
 {pkgs, ...}: {
   packages = {inherit (pkgs) omnom;};
-  # https://github.com/asciimoo/omnom/blob/master/config/config.go
-  nixos.services = null;
-  nixos.tests = null;
-  nixos.examples = null;
+  nixos = {
+    # https://github.com/asciimoo/omnom/blob/master/config/config.go
+    modules.services = null;
+    tests = null;
+    examples = null;
+  };
 }