diff --git a/nixos/configuration.nix b/nixos/configuration.nix
index a63472e..80bd7ae 100755
--- a/nixos/configuration.nix
+++ b/nixos/configuration.nix
@@ -86,7 +86,8 @@
   };
 
   # Install firefox.
-  programs.firefox.enable = true;
+  # We disable this because we're using zen-browser in the flake.nix
+  programs.firefox.enable = false;
 
   # Allow unfree packages
   nixpkgs.config.allowUnfree = true;