diff --git a/home.nix b/home.nix
index dba5de8..683a30e 100644
--- a/home.nix
+++ b/home.nix
@@ -3,6 +3,12 @@ let
   nurpkgs = import (builtins.fetchTarball "https://github.com/nix-community/NUR/archive/master.tar.gz") { inherit pkgs; };
   firefox-addons = import ./firefox-addons (args // {inherit nurpkgs; });
   homeDirectory = "/home/pim";
+  firefoxSettings = {
+    "browser.aboutConfig.showWarning" = false;
+    "browser.toolbars.bookmarks.visibility" = "always";
+    "browser.tabs.firefox-view" = false;
+    "browser.shell.checkDefaultBrowser" = false;
+  };
 in
 {
   home = {
@@ -63,14 +69,12 @@ in
         default = {
           id = 0;
           isDefault = true;
-          settings = {
-            "browser.aboutConfig.showWarning" = false;
-            "browser.toolbars.bookmarks.visibility" = "always";
-          };
+          settings = firefoxSettings;
           extensions = firefox-addons.default; # TODO: recursive
         };
         sue = {
           id = 1;
+          settings = firefoxSettings;
           extensions = firefox-addons.sue;
         };
       };