diff --git a/spring-cloud-sleuth-instrumentation/src/test/java/org/springframework/cloud/sleuth/tracer/SimpleSpan.java b/spring-cloud-sleuth-instrumentation/src/test/java/org/springframework/cloud/sleuth/tracer/SimpleSpan.java
index 29077e857..452979618 100644
--- a/spring-cloud-sleuth-instrumentation/src/test/java/org/springframework/cloud/sleuth/tracer/SimpleSpan.java
+++ b/spring-cloud-sleuth-instrumentation/src/test/java/org/springframework/cloud/sleuth/tracer/SimpleSpan.java
@@ -52,9 +52,11 @@ public class SimpleSpan implements Span {
 
 	public int port;
 
+	public boolean noOp;
+
 	@Override
 	public boolean isNoop() {
-		return true;
+		return this.noOp;
 	}
 
 	@Override