diff --git a/contrib/package/nix/overlay.nix b/contrib/package/nix/overlay.nix
new file mode 100644
index 00000000..0ea0f1bf
--- /dev/null
+++ b/contrib/package/nix/overlay.nix
@@ -0,0 +1,13 @@
+final: prev: rec {
+  copyparty = final.python3.pkgs.callPackage ./copyparty {
+    ffmpeg = final.ffmpeg-full;
+  };
+
+  partyfuse = prev.callPackage ./partyfuse {
+    inherit copyparty;
+  };
+
+  u2c = prev.callPackage ./u2c {
+    inherit copyparty;
+  };
+}
diff --git a/flake.nix b/flake.nix
index 5f39d605..9f5359c1 100644
--- a/flake.nix
+++ b/flake.nix
@@ -12,19 +12,7 @@
     }:
     {
       nixosModules.default = ./contrib/nixos/modules/copyparty.nix;
-      overlays.default = final: prev: rec {
-        copyparty = final.python3.pkgs.callPackage ./contrib/package/nix/copyparty {
-          ffmpeg = final.ffmpeg-full;
-        };
-
-        partyfuse = prev.callPackage ./contrib/package/nix/partyfuse {
-          inherit copyparty;
-        };
-
-        u2c = prev.callPackage ./contrib/package/nix/u2c {
-          inherit copyparty;
-        };
-      };
+      overlays.default = import ./contrib/package/nix/overlay.nix;
     }
     // flake-utils.lib.eachDefaultSystem (
       system: