diff --git a/default.nix b/default.nix
index e0669812d..33437c056 100644
--- a/default.nix
+++ b/default.nix
@@ -13,6 +13,7 @@
 , cmake
 , nixosTests
 , src
+, mobilizon-js
 }:
 
 let
@@ -23,7 +24,7 @@ let
 in
 mixRelease rec {
   pname = "mobilizon";
-  version = "3.1.0";
+  version = "3.1.3";
 
   inherit src;
 
@@ -143,11 +144,8 @@ mixRelease rec {
 
   # Install the compiled js part
   preBuild =
-    let
-      js = callPackage ./js/js.nix { mobilizon-src = src; };
-    in
     ''
-      cp -a "${js}/libexec/mobilizon/deps/priv/static" ./priv
+      cp -a "${mobilizon-js}/libexec/mobilizon/deps/priv/static" ./priv
       chmod 770 -R ./priv
     '';
 
diff --git a/flake.nix b/flake.nix
index 3bf2ab8f4..06c11259e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -7,7 +7,13 @@
     pkgs = import nixpkgs { system = "x86_64-linux"; };
   in {
 
-    packages.x86_64-linux.mobilizon = pkgs.callPackage ./. { };
+    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;
 
diff --git a/js/js.nix b/js/default.nix
similarity index 78%
rename from js/js.nix
rename to js/default.nix
index 5e3f4ebdd..f57d0aa8a 100644
--- a/js/js.nix
+++ b/js/default.nix
@@ -1,10 +1,7 @@
-{ lib, applyPatches, yarn, mkYarnPackage, imagemagick, mobilizon-src }:
+{ lib, applyPatches, yarn, mkYarnPackage, imagemagick}:
 
 mkYarnPackage rec {
-  src = applyPatches {
-    name = "mobilizon-js-src";
-    src = "${mobilizon-src}/js";
-  };
+  src = ./.;
 
   packageJSON = ./package.json;
   yarnLock = ./yarn.lock;