diff --git a/spring-cloud-sleuth-core/src/test/java/org/springframework/cloud/sleuth/instrument/web/TraceFilterIntegrationTests.java b/spring-cloud-sleuth-core/src/test/java/org/springframework/cloud/sleuth/instrument/web/TraceFilterIntegrationTests.java
index dc4d96625..abdb2216a 100644
--- a/spring-cloud-sleuth-core/src/test/java/org/springframework/cloud/sleuth/instrument/web/TraceFilterIntegrationTests.java
+++ b/spring-cloud-sleuth-core/src/test/java/org/springframework/cloud/sleuth/instrument/web/TraceFilterIntegrationTests.java
@@ -384,6 +384,7 @@ class MyFilter extends GenericFilterBean {
 			FilterChain chain) throws IOException, ServletException {
 		Span currentSpan = this.tracer.currentSpan();
 		if (currentSpan == null) {
+			chain.doFilter(request, response);
 			return;
 		}
 		// for readability we're returning trace id in a hex form