diff --git a/pkgs/desktops/plasma-5/polkit-kde-agent.nix b/pkgs/desktops/plasma-5/polkit-kde-agent.nix
index c25b3d2744b7..27f03e2d931e 100644
--- a/pkgs/desktops/plasma-5/polkit-kde-agent.nix
+++ b/pkgs/desktops/plasma-5/polkit-kde-agent.nix
@@ -1,7 +1,7 @@
 {
-  mkDerivation, extra-cmake-modules,
+  mkDerivation, lib, extra-cmake-modules,
   kcoreaddons, kconfig, kcrash, kdbusaddons, ki18n, kiconthemes, knotifications,
-  kwidgetsaddons, kwindowsystem, polkit-qt
+  kwidgetsaddons, kwindowsystem, polkit-qt, qtbase
 }:
 
 mkDerivation {
@@ -12,4 +12,5 @@ mkDerivation {
     knotifications kwindowsystem polkit-qt
   ];
   outputs = [ "out" "dev" ];
+  meta.broken = lib.versionOlder qtbase.version "5.15.0";
 }