diff --git a/nixos/modules/services/x11/desktop-managers/plasma5.nix b/nixos/modules/services/x11/desktop-managers/plasma5.nix
index dc8b24dc382..3e04f6d0e6b 100644
--- a/nixos/modules/services/x11/desktop-managers/plasma5.nix
+++ b/nixos/modules/services/x11/desktop-managers/plasma5.nix
@@ -444,11 +444,14 @@ in
       services.xserver.displayManager.setupCommands = startplasma;
 
       nixpkgs.config.firefox.enablePlasmaBrowserIntegration = true;
+    })
 
-      environment.etc = {
-        "xdg/kwinrc".text     = lib.generators.toINI {} cfg.kwinrc;
-        "xdg/kdeglobals".text = lib.generators.toINI {} cfg.kdeglobals;
-      };
+    (mkIf (cfg.kwinrc != {}) {
+      environment.etc."xdg/kwinrc".text = lib.generators.toINI {} cfg.kwinrc;
+    })
+
+    (mkIf (cfg.kdeglobals != {}) {
+      environment.etc."xdg/kdeglobals".text = lib.generators.toINI {} cfg.kdeglobals;
     })
 
     # Plasma Desktop