1 files changed, 4 insertions, 7 deletions
diff --git a/nixpkgs/nixos/modules/services/hardware/sane_extra_backends/brscan4.nix b/nixpkgs/nixos/modules/services/hardware/sane_extra_backends/brscan4.nix
index f6ed4e25e9c..6f49a1ab6d4 100644
--- a/nixpkgs/nixos/modules/services/hardware/sane_extra_backends/brscan4.nix
+++ b/nixpkgs/nixos/modules/services/hardware/sane_extra_backends/brscan4.nix
@@ -67,11 +67,11 @@ in
 {
   options = {
 
-    hardware.sane.brscan4.enable = 
+    hardware.sane.brscan4.enable =
       mkEnableOption "Brother's brscan4 scan backend" // {
       description = ''
         When enabled, will automatically register the "brscan4" sane
-        backend and bring configuration files to their expected location. 
+        backend and bring configuration files to their expected location.
       '';
     };
 
@@ -95,14 +95,11 @@ in
       pkgs.brscan4
     ];
 
-    environment.etc = singleton {
-      target = "opt/brother/scanner/brscan4";
-      source = "${etcFiles}/etc/opt/brother/scanner/brscan4";
-    };
+    environment.etc."opt/brother/scanner/brscan4" =
+      { source = "${etcFiles}/etc/opt/brother/scanner/brscan4"; };
 
     assertions = [
       { assertion = all (x: !(null != x.ip && null != x.nodename)) netDeviceList;
-          
         message = ''
           When describing a network device as part of the attribute list
           `hardware.sane.brscan4.netDevices`, only one of its `ip` or `nodename`