diff --git a/pkgs/desktops/kde-5/frameworks-5.21/bluez-qt.nix b/pkgs/desktops/kde-5/frameworks-5.21/bluez-qt.nix
index f981b0516f72..26490167dbdb 100644
--- a/pkgs/desktops/kde-5/frameworks-5.21/bluez-qt.nix
+++ b/pkgs/desktops/kde-5/frameworks-5.21/bluez-qt.nix
@@ -6,7 +6,7 @@
 kdeFramework {
   name = "bluez-qt";
   nativeBuildInputs = [ extra-cmake-modules ];
-  buildInputs = [ qtdeclarative ];
+  propagatedBuildInputs = [ qtdeclarative ];
   preConfigure = ''
     substituteInPlace CMakeLists.txt \
       --replace /lib/udev/rules.d "$out/lib/udev/rules.d"