diff --git a/pkgs/development/libraries/kde-frameworks-5.18/default.nix b/pkgs/development/libraries/kde-frameworks-5.18/default.nix
index 5d2cceff78d3..080854380dc5 100644
--- a/pkgs/development/libraries/kde-frameworks-5.18/default.nix
+++ b/pkgs/development/libraries/kde-frameworks-5.18/default.nix
@@ -23,7 +23,7 @@ let
         name = "${name}-${version}";
         inherit src;
 
-        outputs = [ "dev" "out" ];
+        outputs = args.outputs or [ "dev" "out" ];
 
         cmakeFlags =
           (args.cmakeFlags or [])
diff --git a/pkgs/development/libraries/kde-frameworks-5.18/kdelibs4support.nix b/pkgs/development/libraries/kde-frameworks-5.18/kdelibs4support.nix
index e61c4bb86e7c..214b756d5cbd 100644
--- a/pkgs/development/libraries/kde-frameworks-5.18/kdelibs4support.nix
+++ b/pkgs/development/libraries/kde-frameworks-5.18/kdelibs4support.nix
@@ -11,6 +11,7 @@
 
 kdeFramework {
   name = "kdelibs4support";
+  outputs = [ "out" ];
   nativeBuildInputs = [ extra-cmake-modules kdoctools ];
   buildInputs = [
     kcompletion kconfig kded kservice kwidgetsaddons