diff --git a/app/models/theme_field.rb b/app/models/theme_field.rb
index 15cb067894a..0659b447b90 100644
--- a/app/models/theme_field.rb
+++ b/app/models/theme_field.rb
@@ -475,6 +475,9 @@ class ThemeField < ActiveRecord::Base
         error: error,
       )
     end
+  rescue ActiveRecord::ReadOnlyError
+    # Just noop if ActiveRecord is preventing writes for now. In an ideal world, this method will not be called in GET
+    # requests.
   end
 
   def compile_scss(prepended_scss = nil)
diff --git a/lib/scheduler/defer.rb b/lib/scheduler/defer.rb
index 995403093a0..9b0d97f8311 100644
--- a/lib/scheduler/defer.rb
+++ b/lib/scheduler/defer.rb
@@ -6,6 +6,8 @@ module Scheduler
     DEFAULT_TIMEOUT = 90
     STATS_CACHE_SIZE = 100
 
+    attr_reader :async
+
     def initialize
       @async = !Rails.env.test?
       @queue =
diff --git a/spec/integration/activerecord_preventing_writes_spec.rb b/spec/integration/activerecord_preventing_writes_spec.rb
new file mode 100644
index 00000000000..16bddce4a3b
--- /dev/null
+++ b/spec/integration/activerecord_preventing_writes_spec.rb
@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+RSpec.describe "When ActiveRecord is preventing writes" do
+  before do
+    @original_async = Scheduler::Defer.async
+    Scheduler::Defer.async = true
+  end
+
+  after { Scheduler::Defer.async = @original_async }
+
+  it "should not result in an error response when there is a theme field that needs to be baked" do
+    theme_field =
+      Fabricate(
+        :theme_field,
+        type_id: ThemeField.types[:html],
+        target_id: Theme.targets[:common],
+        name: "head_tag",
+        value: <<~HTML,
+        <script type="text/discourse-plugin" version="0.1">
+          console.log(settings.uploads.imajee);
+        </script>
+      HTML
+      )
+
+    SiteSetting.default_theme_id = theme_field.theme_id
+
+    ActiveRecord::Base.connected_to(role: ActiveRecord.writing_role, prevent_writes: true) do
+      get "/latest"
+
+      expect(request.env[:resolved_theme_id]).to eq(theme_field.theme_id)
+      expect(response.status).to eq(200)
+    end
+  end
+end
diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
index 863bb198741..1133ee99496 100644
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -713,6 +713,7 @@ RSpec.configure do |config|
     unfreeze_time
     ActionMailer::Base.deliveries.clear
     Discourse.redis.flushdb
+    Scheduler::Defer.do_all_work
   end
 
   config.after(:each, type: :system) do |example|