1 files changed, 2 insertions, 4 deletions
diff --git a/pkgs/applications/science/logic/tlaplus/toolbox.nix b/pkgs/applications/science/logic/tlaplus/toolbox.nix
index 21c60d03ac1ed..7b1ee4384c9e8 100644
--- a/pkgs/applications/science/logic/tlaplus/toolbox.nix
+++ b/pkgs/applications/science/logic/tlaplus/toolbox.nix
@@ -18,10 +18,8 @@ let
     comment = "IDE for TLA+";
     desktopName = name;
     genericName = comment;
-    categories = "Development";
-    extraEntries = ''
-      StartupWMClass=TLA+ Toolbox
-    '';
+    categories = [ "Development" ];
+    startupWMClass = "TLA+ Toolbox";
   };