diff --git a/pkgs/desktops/plasma-5.4/plasma-desktop/default.nix b/pkgs/desktops/plasma-5.4/plasma-desktop/default.nix
index f0271e87687..77dfe3d9182 100644
--- a/pkgs/desktops/plasma-5.4/plasma-desktop/default.nix
+++ b/pkgs/desktops/plasma-5.4/plasma-desktop/default.nix
@@ -19,14 +19,14 @@ plasmaPackage {
   buildInputs = [
     attica boost fontconfig kcmutils kdbusaddons kded kitemmodels
     knewstuff knotifications knotifyconfig kwallet libcanberra_kde
-    libXcursor libpulseaudio libXft libxkbfile phonon qtdeclarative
-    qtx11extras qtsvg xf86inputevdev xf86inputsynaptics
+    libXcursor libpulseaudio libXft libxkbfile phonon
+    qtsvg xf86inputevdev xf86inputsynaptics
     xkeyboard_config xinput
   ];
   propagatedBuildInputs = [
     baloo kactivities kauth kdeclarative kdelibs4support kemoticons
     kglobalaccel ki18n kpeople krunner kwin plasma-framework
-    plasma-workspace
+    plasma-workspace qtdeclarative qtx11extras
   ];
   patches = [
     (substituteAll {
@@ -41,6 +41,14 @@ plasmaPackage {
     "-DSynaptics_INCLUDE_DIRS=${xf86inputsynaptics}/include/xorg"
   ];
   postInstall = ''
+    # These files are installed in the wrong location.
+    cd "$out/share/plasma/plasmoids/org.kde.desktopcontainment/contents"
+    mv "code/LayoutManager.js" "ui/LayoutManager.js"
+    cd "$out/share/plasma/plasmoids/org.kde.panel/contents"
+    mv "code/LayoutManager.js" "ui/LayoutManager.js"
+
+    cd "$NIX_BUILD_TOP"
+
     wrapKDEProgram "$out/bin/kaccess"
     wrapKDEProgram "$out/bin/solid-action-desktop-gen"
     wrapKDEProgram "$out/bin/knetattach"