diff --git a/lib/sidekiq_unique_jobs/sidekiq_worker_methods.rb b/lib/sidekiq_unique_jobs/sidekiq_worker_methods.rb
index 255a70307..d9a4dfa41 100644
--- a/lib/sidekiq_unique_jobs/sidekiq_worker_methods.rb
+++ b/lib/sidekiq_unique_jobs/sidekiq_worker_methods.rb
@@ -16,7 +16,7 @@ def worker_method_defined?(method_sym)
     def worker_options
       return {} unless sidekiq_worker_class?
 
-      worker_class.get_sidekiq_options.stringify_keys
+      worker_class.get_sidekiq_options.deep_stringify_keys
     end
 
     # Tests that the
diff --git a/spec/sidekiq_unique_jobs/sidekiq_worker_methods_spec.rb b/spec/sidekiq_unique_jobs/sidekiq_worker_methods_spec.rb
index 9fe24e5aa..0a95ceefc 100644
--- a/spec/sidekiq_unique_jobs/sidekiq_worker_methods_spec.rb
+++ b/spec/sidekiq_unique_jobs/sidekiq_worker_methods_spec.rb
@@ -61,4 +61,24 @@ def initialize(worker_class)
       end
     end
   end
+
+  describe "#worker_options" do
+    subject(:worker_options) { worker.worker_options }
+
+    let(:worker_class) { UniqueJobOnConflictHash }
+
+    it do
+      expect(worker_options).to eq(
+        {
+          "lock" => :until_and_while_executing,
+          "on_conflict" => {
+            "client" => :log,
+            "server" => :reschedule,
+          },
+          "queue" => :customqueue,
+          "retry" => true,
+        },
+      )
+    end
+  end
 end
diff --git a/spec/support/workers/unique_job_on_conflict_hash.rb b/spec/support/workers/unique_job_on_conflict_hash.rb
new file mode 100644
index 000000000..07b00572d
--- /dev/null
+++ b/spec/support/workers/unique_job_on_conflict_hash.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+# :nocov:
+
+class UniqueJobOnConflictHash
+  include Sidekiq::Worker
+
+  sidekiq_options lock: :until_and_while_executing,
+                  queue: :customqueue,
+                  on_conflict: { client: :log, server: :reschedule }
+
+  def perform(one, two)
+    [one, two]
+  end
+end