diff --git a/play/src/main/scala/com/github/levkhomich/akka/tracing/play/TracingSettings.scala b/play/src/main/scala/com/github/levkhomich/akka/tracing/play/TracingSettings.scala
index 944b6a9..79122bb 100644
--- a/play/src/main/scala/com/github/levkhomich/akka/tracing/play/TracingSettings.scala
+++ b/play/src/main/scala/com/github/levkhomich/akka/tracing/play/TracingSettings.scala
@@ -29,8 +29,10 @@ import com.github.levkhomich.akka.tracing.http.TracingHeaders
 
 trait TracingSettings extends GlobalSettings with PlayControllerTracing {
 
+  lazy val serviceName = play.libs.Akka.system.name
+  
   protected def sample(request: RequestHeader): Unit = {
-    trace.sample(request, play.libs.Akka.system.name)
+    trace.sample(request, serviceName)
   }
 
   protected def addHttpAnnotations(request: RequestHeader): Unit = {