diff --git a/modules/cups.nix b/modules/cups.nix
index af5b3d9..a328285 100644
--- a/modules/cups.nix
+++ b/modules/cups.nix
@@ -1,4 +1,4 @@
-{
+{pkgs, ...}:{
   # Enable CUPS to print documents.
   services.printing.enable = true;
   services.printing.drivers = [ pkgs.splix ];
diff --git a/roles/all.nix b/roles/all.nix
index c4504e4..03e0474 100644
--- a/roles/all.nix
+++ b/roles/all.nix
@@ -1,4 +1,4 @@
-{
+{pkgs, ...}:{
   imports = [
     ../home-manager/default.nix