diff --git a/pkgs/desktops/plasma-5.5/default.nix b/pkgs/desktops/plasma-5.5/default.nix
index bbac6ab3524..ea1533af757 100644
--- a/pkgs/desktops/plasma-5.5/default.nix
+++ b/pkgs/desktops/plasma-5.5/default.nix
@@ -26,6 +26,8 @@ let
         name = "${name}-${version}";
         inherit src;
 
+        outputs = args.outputs or [ "dev" "out" ];
+
         cmakeFlags =
           (args.cmakeFlags or [])
           ++ [ "-DBUILD_TESTING=OFF" ]