lib/instana/config.rb in instana-1.197.0.pre1 vs lib/instana/config.rb in instana-1.197.0.pre2

@@ -49,10 +49,10 @@
       # This sanitization step can be disabled by setting the following value to false.
       # ::Instana.config[:sanitize_sql] = false
       @config[:sanitize_sql] = true
 
       # W3 Trace Context Support
-      @config[:w3_trace_correlation] = ENV.fetch('INSTANA_W3C_TRACE_CORRELATION', 'true').eql?('true')
+      @config[:w3_trace_correlation] = ENV['INSTANA_DISABLE_W3C_TRACE_CORRELATION'].nil?
 
       @config[:action_controller]  = { :enabled => true }
       @config[:action_view]        = { :enabled => true }
       @config[:active_record]      = { :enabled => true }
       @config[:dalli]              = { :enabled => true }