diff --git a/modules/librewolf.nix b/modules/librewolf.nix
index 2307cba..021d82a 100644
--- a/modules/librewolf.nix
+++ b/modules/librewolf.nix
@@ -1,7 +1,7 @@
 { pkgs, ... }:
 
 let
-  policies = builtins.toJSON {
+  policiesJson = builtins.toJSON {
     policies = {
       DisableTelemetry = true;
       DisableFirefoxStudies = true;
@@ -46,38 +46,64 @@ let
       };
 
       Preferences = {
-        "browser.startup.homepage" = "about:home";
-        "extensions.autoDisableScopes" = 0;
-        "browser.toolbars.bookmarks.visibility" = "always";
-        "network.cookie.cookieBehavior" = 1;
-        "privacy.clearOnShutdown.cookies" = false;
-        "privacy.clearOnShutdown.history" = false;
-        "sidebar.revamp" = true;
-        "sidebar.verticalTabs" = true;
-        "sidebar.main.tools" = "bookmarks,history,tabs";
-        "sidebar.visibility" = "always";
+        "browser.startup.homepage" = {
+          Value = "about:home";
+          Status = "locked";
+        };
+        "extensions.autoDisableScopes" = {
+          Value = 0;
+          Status = "locked";
+        };
+        "browser.toolbars.bookmarks.visibility" = {
+          Value = "always";
+          Status = "locked";
+        };
+        "network.cookie.cookieBehavior" = {
+          Value = 1;
+          Status = "locked";
+        };
+        "privacy.clearOnShutdown.cookies" = {
+          Value = false;
+          Status = "locked";
+        };
+        "privacy.clearOnShutdown.history" = {
+          Value = false;
+          Status = "locked";
+        };
+        "sidebar.revamp" = {
+          Value = true;
+          Status = "locked";
+        };
+        "sidebar.verticalTabs" = {
+          Value = true;
+          Status = "locked";
+        };
+        "sidebar.main.tools" = {
+          Value = "bookmarks,history,tabs";
+          Status = "locked";
+        };
+        "sidebar.visibility" = {
+          Value = "always";
+          Status = "locked";
+        };
         "extensions.activeThemeID" = {
-          Value = "{15cb5e64-94bd-41aa-91cf-751bb1a84972}";
+          Value = "{1d573fb2-437c-4440-9b7b-b72a3eaec105}";
           Status = "locked";
         };
       };
     };
   };
 
-  policiesFile = pkgs.writeText "librewolf-policies.json" policies;
+  policiesFile = pkgs.writeText "librewolf-policies.json" policiesJson;
 in
 {
   system.activationScripts.postActivation.text = ''
-      echo ">>> Writing LibreWolf policies..."
-      DIST_DIR="/Applications/LibreWolf.app/Contents/Resources/distribution"
-      if [ -d "/Applications/LibreWolf.app" ]; then
-        mkdir -p "$DIST_DIR"
-        cp ${policiesFile} "$DIST_DIR/policies.json"
-        chmod 644 "$DIST_DIR/policies.json"
-        echo ">>> Done. Content:"
-        cat "$DIST_DIR/policies.json"
-      else
-        echo ">>> LibreWolf.app not found!"
-      fi
-    '';
+    DIST_DIR="/Applications/LibreWolf.app/Contents/Resources/distribution"
+    if [ -d "/Applications/LibreWolf.app" ]; then
+      mkdir -p "$DIST_DIR"
+      cp ${policiesFile} "$DIST_DIR/policies.json"
+      chmod 644 "$DIST_DIR/policies.json"
+      echo "LibreWolf policies applied."
+    fi
+  '';
 }