diff --git a/pkgs/by-name/wi/wireworld/package.nix b/pkgs/by-name/wi/wireworld/package.nix
index a9018ee75544c..300be9ac75483 100644
--- a/pkgs/by-name/wi/wireworld/package.nix
+++ b/pkgs/by-name/wi/wireworld/package.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation {
   desktopItems = [
     (makeDesktopItem {
       name = "Wireworld";
-      exec = "wireworld";
+      exec = "Wireworld";
       comment = "";
       desktopName = "Wireworld";
       genericName = "Wireworld";