diff --git a/flake.nix b/flake.nix
index 2877905e5..303977c67 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,35 +3,39 @@
 
   inputs.nixpkgs.url = "github:erictapen/nixpkgs/mobilizon-3";
 
-  outputs = { self, nixpkgs }: let
-    pkgs = import nixpkgs { system = "x86_64-linux"; };
-  in {
+  outputs = { self, nixpkgs }:
+    let
+      system = "x86_64-linux";
+      pkgs = import nixpkgs { inherit system; };
+    in
+    {
+
+      packages.x86_64-linux.mobilizon = pkgs.callPackage ./. {
+        src = ./.;
+        mobilizon-js = self.packages.x86_64-linux.mobilizon-frontend;
+      };
+
+      packages.x86_64-linux.mobilizon-frontend = pkgs.callPackage ./js { };
+
+      packages.x86_64-linux.default = self.packages.x86_64-linux.mobilizon;
+
+      devShells.x86_64-linux.default =
+        let
+          pkgs = import nixpkgs { system = "x86_64-linux"; };
+        in
+        pkgs.mkShell {
+          buildInputs = with pkgs; [
+            elixir
+            mix2nix
+            cmake
+            imagemagick
+            (yarn.override {
+              nodejs = nodejs-18_x;
+            })
+            yarn2nix
+            nodejs-18_x
+          ];
+        };
 
-    packages.x86_64-linux.mobilizon = pkgs.callPackage ./. {
-      src = ./.;
-      mobilizon-js = self.packages.x86_64-linux.mobilizon-frontend;
     };
-
-    packages.x86_64-linux.mobilizon-frontend = pkgs.callPackage ./js {
-    };
-
-    packages.x86_64-linux.default = self.packages.x86_64-linux.mobilizon;
-
-    devShells.x86_64-linux.default = let
-      pkgs = import nixpkgs { system = "x86_64-linux"; };
-    in pkgs.mkShell {
-      buildInputs = with pkgs; [
-        elixir
-        mix2nix
-        cmake
-        imagemagick
-        (yarn.override {
-          nodejs = nodejs-18_x;
-        })
-        yarn2nix
-        nodejs-18_x
-      ];
-    };
-
-  };
 }
diff --git a/js/default.nix b/js/default.nix
index 3c94ff650..30b258543 100644
--- a/js/default.nix
+++ b/js/default.nix
@@ -1,4 +1,4 @@
-{ lib, yarn, mkYarnPackage, imagemagick}:
+{ lib, yarn, mkYarnPackage, imagemagick }:
 
 mkYarnPackage rec {
   src = ./.;