lib/instrumental/agent.rb in instrumental_agent-0.12.6 vs lib/instrumental/agent.rb in instrumental_agent-0.12.7

@@ -336,10 +336,10 @@
       logger.info "connected to collector at #{host}:#{port}"
       hello_options = {
         "version" => "ruby/instrumental_agent/#{VERSION}",
         "hostname" => HOSTNAME,
         "pid" => Process.pid,
-        "runtime" => "#{RUBY_ENGINE}/#{RUBY_VERSION}p#{RUBY_PATCHLEVEL}",
+        "runtime" => "#{defined?(RUBY_ENGINE) ? RUBY_ENGINE : "ruby"}/#{RUBY_VERSION}p#{RUBY_PATCHLEVEL}",
         "platform" => RUBY_PLATFORM
       }.to_a.flatten.map { |v| v.to_s.gsub(/\s+/, "_") }.join(" ")
 
       send_with_reply_timeout "hello #{hello_options}"
       send_with_reply_timeout "authenticate #{@api_key}"