diff --git a/modules/base/picotool/default.nix b/modules/base/picotool/default.nix
index 2291ca7..0ae46a4 100644
--- a/modules/base/picotool/default.nix
+++ b/modules/base/picotool/default.nix
@@ -8,18 +8,18 @@ mkDerivation {
   phases = [ "installPhase" ];
 
   installPhase = ''
-mkdir -p $out/lib/udev/rules.d
-echo 'SUBSYSTEM=="usb", ATTRS{idVendor}=="2e8a", ATTRS{idProduct}=="0003", TAG+="uaccess"' > $out/lib/udev/rules.d/70-picotool.rules
-echo 'SUBSYSTEM=="usb", ATTRS{idVendor}=="2e8a", ATTRS{idProduct}=="000a", TAG+="uaccess"' >> $out/lib/udev/rules.d/70-picotool.rules
-'';
+    mkdir -p $out/lib/udev/rules.d
+    echo 'SUBSYSTEM=="usb", ATTRS{idVendor}=="2e8a", ATTRS{idProduct}=="0003", TAG+="uaccess"' > $out/lib/udev/rules.d/70-picotool.rules
+    echo 'SUBSYSTEM=="usb", ATTRS{idVendor}=="2e8a", ATTRS{idProduct}=="000a", TAG+="uaccess"' >> $out/lib/udev/rules.d/70-picotool.rules
+  '';
 
   meta = with lib; {
     description = "udev rules for Raspberry Pi picotool";
     license = licenses.mit;
     maintainers = [{
       email = "erwin@datarift.nl";
-        github = "eboskma";
-        name = "Erwin Boskma";
+      github = "eboskma";
+      name = "Erwin Boskma";
     }];
     platforms = platforms.linux;
     homepage = "https://github.com/raspberrypi/picotool";