diff --git a/nixos.nix b/nixos.nix
index b65b519..8171a97 100644
--- a/nixos.nix
+++ b/nixos.nix
@@ -124,6 +124,7 @@ let systemInformation = import ./system/system-information.nix; in
 		file
 		pavucontrol
 		nix-index
+		nix-output-monitor
 		gst_all_1.gstreamer gst_all_1.gst-plugins-base gst_all_1.gst-libav gst_all_1.gst-vaapi gst_all_1.gst-plugins-bad gst_all_1.gst-plugins-good gst_all_1.gst-plugins-ugly
 	];
 	environment.gnome.excludePackages = with pkgs.gnome; [