diff --git a/lib/data_update_scripts/20211109161231_migrate_themes_again.rb b/lib/data_update_scripts/20211109161231_migrate_themes_again.rb
new file mode 100644
index 000000000..f42a4134b
--- /dev/null
+++ b/lib/data_update_scripts/20211109161231_migrate_themes_again.rb
@@ -0,0 +1,25 @@
+module DataUpdateScripts
+  class MigrateThemesAgain
+    def run
+      # No OS sync for Dark (2) users
+      Users::Setting
+        .where(config_theme: 2)
+        .update_all(prefer_os_color_scheme: false)
+
+      # Ten X Hacker (4) -> Dark (2), no OS sync
+      Users::Setting
+        .where(config_theme: 4)
+        .update_all(config_theme: 2, prefer_os_color_scheme: false)
+
+      # Minimal (1) -> Light (0), no OS sync
+      Users::Setting
+        .where(config_theme: 1)
+        .update_all(config_theme: 0, prefer_os_color_scheme: false)
+
+      # Pink (3) -> Light (0), OS sync (defaults to true), the
+      Users::Setting
+        .where(config_theme: 3)
+        .update_all(config_theme: 0)
+    end
+  end
+end