diff --git a/pkgs/desktops/plasma-5/plasma-workspace/default.nix b/pkgs/desktops/plasma-5/plasma-workspace/default.nix
index 29d92f9a9df..b866ebab0e5 100644
--- a/pkgs/desktops/plasma-5/plasma-workspace/default.nix
+++ b/pkgs/desktops/plasma-5/plasma-workspace/default.nix
@@ -3,7 +3,7 @@
 
   extra-cmake-modules, kdoctools,
 
-  isocodes, libdbusmenu, libSM, libXcursor, pam, wayland,
+  isocodes, libdbusmenu, libSM, libXcursor, libXtst, pam, wayland,
 
   baloo, kactivities, kcmutils, kconfig, kcrash, kdbusaddons, kdeclarative,
   kdelibs4support, kdesu, kglobalaccel, kidletime, kjsembed, knewstuff,
@@ -19,8 +19,9 @@ mkDerivation {
 
   nativeBuildInputs = [ extra-cmake-modules kdoctools ];
   buildInputs = [
-    isocodes libdbusmenu libSM libXcursor pam wayland
-
+    isocodes libdbusmenu libSM libXcursor libXtst pam wayland
+  ];
+  propagatedBuildInputs = [
     baloo kactivities kcmutils kconfig kcrash kdbusaddons kdeclarative
     kdelibs4support kdesu kglobalaccel kidletime kjsembed knewstuff
     knotifyconfig kpackage krunner kscreenlocker ktexteditor ktextwidgets