diff --git a/pkgs/development/libraries/kde-frameworks/kconfigwidgets/default.nix b/pkgs/development/libraries/kde-frameworks/kconfigwidgets/default.nix
index e06d9547de07..3d7c7cdedefa 100644
--- a/pkgs/development/libraries/kde-frameworks/kconfigwidgets/default.nix
+++ b/pkgs/development/libraries/kde-frameworks/kconfigwidgets/default.nix
@@ -1,13 +1,13 @@
 {
   mkDerivation, lib, extra-cmake-modules,
-  kauth, kcodecs, kconfig, kdoctools, kguiaddons, ki18n, kwidgetsaddons, qtbase,
+  kauth, kcodecs, kconfig, kdoctools, kguiaddons, ki18n, kwidgetsaddons, qttools, qtbase,
 }:
 
 mkDerivation {
   name = "kconfigwidgets";
   meta = { maintainers = [ lib.maintainers.ttuegel ]; };
   nativeBuildInputs = [ extra-cmake-modules kdoctools ];
-  buildInputs = [ kguiaddons ki18n qtbase ];
+  buildInputs = [ kguiaddons ki18n qtbase qttools ];
   propagatedBuildInputs = [ kauth kcodecs kconfig kwidgetsaddons ];
   patches = [ ./0001-qdiriterator-follow-symlinks.patch ];
   outputs = [ "out" "dev" ];