diff --git a/lib/discourse_logstash_logger.rb b/lib/discourse_logstash_logger.rb
index 96f8ca653de..00881380f65 100644
--- a/lib/discourse_logstash_logger.rb
+++ b/lib/discourse_logstash_logger.rb
@@ -99,7 +99,7 @@ class DiscourseLogstashLogger < Logger
 
       if progname == "sidekiq-exception"
         event["job.class"] = opts.dig(:context, :job)
-        event["job.opts"] = opts.dig(:context, :opts)
+        event["job.opts"] = opts.dig(:context, :opts)&.stringify_keys&.to_s
         event["job.problem_db"] = opts.dig(:context, :problem_db)
         event["exception.class"] = opts[:exception_class]
         event["exception.message"] = opts[:exception_message]
diff --git a/spec/lib/discourse_logstash_logger_spec.rb b/spec/lib/discourse_logstash_logger_spec.rb
index 54a2048055a..ed433569077 100644
--- a/spec/lib/discourse_logstash_logger_spec.rb
+++ b/spec/lib/discourse_logstash_logger_spec.rb
@@ -74,7 +74,7 @@ RSpec.describe DiscourseLogstashLogger do
         expect(parsed["exception.class"]).to eq("Some::StandardError")
         expect(parsed["exception.message"]).to eq("some job error message")
         expect(parsed["job.class"]).to eq("SomeJob")
-        expect(parsed["job.opts"]).to eq({ "user_id" => 1 })
+        expect(parsed["job.opts"]).to eq("{\"user_id\"=>1}")
         expect(parsed["job.problem_db"]).to eq("some_db")
       end
     end