1 files changed, 1 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/tools/text/dirdiff/default.nix b/nixpkgs/pkgs/tools/text/dirdiff/default.nix
index e0385d332450..3577242fc0e9 100644
--- a/nixpkgs/pkgs/tools/text/dirdiff/default.nix
+++ b/nixpkgs/pkgs/tools/text/dirdiff/default.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
       desktopName = "Dirdiff";
       genericName = "Directory Diff Viewer";
       comment = "Diff and merge directory trees";
-      categories = "Development;";
+      categories = [ "Development" ];
     })
   ];