1 files changed, 3 insertions, 3 deletions
diff --git a/kamon-core/src/main/scala/kamon/trace/Sampler.scala b/kamon-core/src/main/scala/kamon/trace/Sampler.scala
index 5abba221..827840d7 100644
--- a/kamon-core/src/main/scala/kamon/trace/Sampler.scala
+++ b/kamon-core/src/main/scala/kamon/trace/Sampler.scala
@@ -17,6 +17,7 @@
 package kamon.trace
 
 import kamon.util.{ NanoInterval, Sequencer }
+import scala.concurrent.duration.FiniteDuration
 import scala.concurrent.forkjoin.ThreadLocalRandom
 
 trait Sampler {
@@ -64,10 +65,9 @@ object OrderedSampler {
   }
 }
 
-class ThresholdSampler(thresholdInNanoseconds: Long) extends Sampler {
-  require(thresholdInNanoseconds > 0, "kamon.trace.threshold-sampler.minimum-elapsed-time cannot be <= 0")
+class ThresholdSampler(threshold: FiniteDuration) extends Sampler {
 
   def shouldTrace: Boolean = true
-  def shouldReport(traceElapsedTime: NanoInterval): Boolean = traceElapsedTime.nanos >= thresholdInNanoseconds
+  def shouldReport(traceElapsedTime: NanoInterval): Boolean = traceElapsedTime.nanos >= threshold.toNanos
 }