diff --git a/pkgs/applications/audio/openutau/default.nix b/pkgs/applications/audio/openutau/default.nix
index b49f61bde195..de369f322a7a 100644
--- a/pkgs/applications/audio/openutau/default.nix
+++ b/pkgs/applications/audio/openutau/default.nix
@@ -27,7 +27,7 @@ buildDotnetModule rec {
     (makeDesktopItem {
       name = "openutau";
       desktopName = "OpenUtau";
-      startupWMClass = "openutau";  
+      startupWMClass = "openutau";
       icon = "openutau";
       genericName = "Utau";
       comment = "Open source UTAU successor";