diff --git a/pkgs/desktops/kde-5/frameworks-5.21/knotifications.nix b/pkgs/desktops/kde-5/frameworks-5.21/knotifications.nix
index 7e301dd0f26..791caa02edb 100644
--- a/pkgs/desktops/kde-5/frameworks-5.21/knotifications.nix
+++ b/pkgs/desktops/kde-5/frameworks-5.21/knotifications.nix
@@ -1,9 +1,7 @@
 { kdeFramework, lib
 , extra-cmake-modules
-, kcodecs
-, kconfig
-, kcoreaddons
-, kwindowsystem
+, kcodecs, kconfig, kcoreaddons, kwindowsystem
+, libdbusmenu
 , phonon
 , qtx11extras
 }:
@@ -12,7 +10,7 @@ kdeFramework {
   name = "knotifications";
   nativeBuildInputs = [ extra-cmake-modules ];
   buildInputs = [
-    kcodecs kconfig kcoreaddons phonon
+    kcodecs kconfig kcoreaddons libdbusmenu phonon
   ];
   propagatedBuildInputs = [ kwindowsystem qtx11extras ];
   meta = {