diff --git a/pkgs/games/heroic/fhsenv.nix b/pkgs/games/heroic/fhsenv.nix
index 9e4f11d0d6b4..3f1a2a9b6007 100644
--- a/pkgs/games/heroic/fhsenv.nix
+++ b/pkgs/games/heroic/fhsenv.nix
@@ -12,6 +12,7 @@ buildFHSUserEnv {
 
   targetPkgs = pkgs: with pkgs; [
     heroic-unwrapped
+    gamemode
     curl
     gawk
     gnome.zenity