diff --git a/modules/mute-indicator.nix b/modules/mute-indicator.nix
index 5ec497f..cd56106 100644
--- a/modules/mute-indicator.nix
+++ b/modules/mute-indicator.nix
@@ -1,5 +1,5 @@
 {
   services.udev.extraRules = ''
-      SUBSYSTEM=="tty", ATTRS{idVendor}=="1eaf", ATTRS{idProduct}=="6d75", SYMLINK+="mute-indicator"
+    SUBSYSTEM=="tty", ATTRS{idVendor}=="1eaf", ATTRS{idProduct}=="6d75", SYMLINK+="mute-indicator"
   '';
 }