diff --git a/pkgs/development/libraries/catch2/3.nix b/pkgs/development/libraries/catch2/3.nix
index dff36cbc3d3a..aa8bf62059bd 100644
--- a/pkgs/development/libraries/catch2/3.nix
+++ b/pkgs/development/libraries/catch2/3.nix
@@ -46,6 +46,6 @@ stdenv.mkDerivation rec {
     changelog = "https://github.com/catchorg/Catch2/blob/${src.rev}/docs/release-notes.md";
     license = lib.licenses.boost;
     maintainers = with lib.maintainers; [ dotlambda ];
-    platforms = lib.platforms.unix;
+    platforms = with lib.platforms; unix ++ windows;
   };
 }
diff --git a/pkgs/development/libraries/catch2/default.nix b/pkgs/development/libraries/catch2/default.nix
index 3c51fa9371d9..56b2016539be 100644
--- a/pkgs/development/libraries/catch2/default.nix
+++ b/pkgs/development/libraries/catch2/default.nix
@@ -20,6 +20,6 @@ stdenv.mkDerivation rec {
     homepage = "http://catch-lib.net";
     license = licenses.boost;
     maintainers = with maintainers; [ edwtjo knedlsepp ];
-    platforms = platforms.unix ++ [ "x86_64-windows" ];
+    platforms = with platforms; unix ++ windows;
   };
 }