diff --git a/pkgs/desktops/plasma-5/sddm-kcm.nix b/pkgs/desktops/plasma-5/sddm-kcm.nix
index 6becf3bf420..a9f51e50a26 100644
--- a/pkgs/desktops/plasma-5/sddm-kcm.nix
+++ b/pkgs/desktops/plasma-5/sddm-kcm.nix
@@ -1,12 +1,13 @@
 {
-  mkDerivation, extra-cmake-modules, shared-mime-info,
+  mkDerivation, lib, extra-cmake-modules, shared-mime-info,
   libpthreadstubs, libXcursor, libXdmcp,
-  qtquickcontrols2, qtx11extras,
+  qtbase, qtquickcontrols2, qtx11extras,
   karchive, ki18n, kio, knewstuff
 }:
 
 mkDerivation {
   name = "sddm-kcm";
+  meta.broken = lib.versionOlder qtbase.version "5.15.0";
   nativeBuildInputs = [ extra-cmake-modules shared-mime-info ];
   buildInputs = [
     libpthreadstubs libXcursor libXdmcp