diff --git a/spring-cloud-sleuth-core/src/main/java/org/springframework/cloud/sleuth/instrument/hystrix/TraceCommand.java b/spring-cloud-sleuth-core/src/main/java/org/springframework/cloud/sleuth/instrument/hystrix/TraceCommand.java
index 3c1dfcc97..ee91382bc 100644
--- a/spring-cloud-sleuth-core/src/main/java/org/springframework/cloud/sleuth/instrument/hystrix/TraceCommand.java
+++ b/spring-cloud-sleuth-core/src/main/java/org/springframework/cloud/sleuth/instrument/hystrix/TraceCommand.java
@@ -55,7 +55,7 @@ public abstract class TraceCommand<R> extends HystrixCommand<R> {
 				this.traceKeys.getHystrix().getCommandGroup(), getCommandGroup().name());
 		span.tag(this.traceKeys.getHystrix().getPrefix() +
 				this.traceKeys.getHystrix().getThreadPoolKey(), getThreadPoolKey().name());
-		try (Tracer.SpanInScope ws = this.tracer.withSpanInScope(span)) {
+		try (Tracer.SpanInScope ws = this.tracer.withSpanInScope(span.start())) {
 			return doRun();
 		}
 		finally {
diff --git a/spring-cloud-sleuth-core/src/test/java/org/springframework/cloud/sleuth/instrument/hystrix/TraceCommandTests.java b/spring-cloud-sleuth-core/src/test/java/org/springframework/cloud/sleuth/instrument/hystrix/TraceCommandTests.java
index 4e0dcce6d..0bd35a440 100644
--- a/spring-cloud-sleuth-core/src/test/java/org/springframework/cloud/sleuth/instrument/hystrix/TraceCommandTests.java
+++ b/spring-cloud-sleuth-core/src/test/java/org/springframework/cloud/sleuth/instrument/hystrix/TraceCommandTests.java
@@ -70,6 +70,8 @@ public class TraceCommandTests {
 		then(this.reporter.getSpans()).hasSize(1);
 		then(this.reporter.getSpans().get(0).tags())
 				.containsEntry("commandKey", "traceCommandKey");
+		then(this.reporter.getSpans().get(0).duration())
+				.isGreaterThan(0L);
 	}
 
 	@Test