diff --git a/nixos/modules/services/desktop-managers/cosmic.nix b/nixos/modules/services/desktop-managers/cosmic.nix
index 61e01c090d7a..98bc4b933500 100644
--- a/nixos/modules/services/desktop-managers/cosmic.nix
+++ b/nixos/modules/services/desktop-managers/cosmic.nix
@@ -84,6 +84,7 @@ in
           alsa-utils
           cosmic-edit
           cosmic-icons
+          cosmic-monitor
           cosmic-player
           cosmic-randr
           cosmic-reader