diff --git a/pkgs/desktops/plasma-5/default.nix b/pkgs/desktops/plasma-5/default.nix
index e386f3a319a1..a962d3054f81 100644
--- a/pkgs/desktops/plasma-5/default.nix
+++ b/pkgs/desktops/plasma-5/default.nix
@@ -71,6 +71,8 @@ let
       propagateBin = propagate "bin";
 
       callPackage = self.newScope {
+        inherit propagate propagateBin;
+
         mkDerivation = args:
           let
             inherit (args) name;
diff --git a/pkgs/desktops/plasma-5/libkscreen/default.nix b/pkgs/desktops/plasma-5/libkscreen/default.nix
index b81755ed7579..5625aa656ceb 100644
--- a/pkgs/desktops/plasma-5/libkscreen/default.nix
+++ b/pkgs/desktops/plasma-5/libkscreen/default.nix
@@ -1,5 +1,5 @@
 {
-  mkDerivation, lib, copyPathsToStore,
+  mkDerivation, lib, copyPathsToStore, propagate,
   extra-cmake-modules,
   kwayland, libXrandr, qtx11extras
 }:
@@ -13,4 +13,5 @@ mkDerivation {
   preConfigure = ''
     NIX_CFLAGS_COMPILE+=" -DNIXPKGS_LIBKSCREEN_BACKENDS=\"''${!outputBin}/$qtPluginPrefix/kf5/kscreen\""
   '';
+  setupHook = propagate "out";
 }