diff --git a/lib/new_relic/agent/distributed_trace_monitor.rb b/lib/new_relic/agent/distributed_trace_monitor.rb
index c9ba4dd902..798fa2f618 100644
--- a/lib/new_relic/agent/distributed_trace_monitor.rb
+++ b/lib/new_relic/agent/distributed_trace_monitor.rb
@@ -12,6 +12,7 @@ class DistributedTraceMonitor < InboundRequestMonitor
       HTTP_TRANSPORT_TYPE = 'HTTP'.freeze
 
       def on_finished_configuring(events)
+        return unless NewRelic::Agent.config[:'distributed_tracing.enabled']
         events.subscribe(:before_call, &method(:on_before_call))
       end