diff --git a/pkgs/desktops/plasma-5/plasma-nm/default.nix b/pkgs/desktops/plasma-5/plasma-nm/default.nix
index 54c8079cf5f4..9bbb3f153b72 100644
--- a/pkgs/desktops/plasma-5/plasma-nm/default.nix
+++ b/pkgs/desktops/plasma-5/plasma-nm/default.nix
@@ -23,6 +23,11 @@ mkDerivation {
     modemmanager-qt networkmanager-qt qca-qt5
     mobile-broadband-provider-info openconnect
   ];
+
+  cmakeFlags = [
+    "-DBUILD_MOBILE=ON"
+  ];
+
   patches = [
     (substituteAll {
       src = ./0002-openvpn-binary-path.patch;