diff --git a/spring-cloud-sleuth-instrumentation/src/main/java/org/springframework/cloud/sleuth/instrument/async/LazyTraceThreadPoolTaskExecutor.java b/spring-cloud-sleuth-instrumentation/src/main/java/org/springframework/cloud/sleuth/instrument/async/LazyTraceThreadPoolTaskExecutor.java
index b678784fc..e6d5c6921 100644
--- a/spring-cloud-sleuth-instrumentation/src/main/java/org/springframework/cloud/sleuth/instrument/async/LazyTraceThreadPoolTaskExecutor.java
+++ b/spring-cloud-sleuth-instrumentation/src/main/java/org/springframework/cloud/sleuth/instrument/async/LazyTraceThreadPoolTaskExecutor.java
@@ -172,6 +172,11 @@ public class LazyTraceThreadPoolTaskExecutor extends ThreadPoolTaskExecutor {
 		return this.delegate.getActiveCount();
 	}
 
+	@Override
+	public int getQueueCapacity() {
+		return this.delegate.getQueueCapacity();
+	}
+
 	@Override
 	public void destroy() {
 		this.delegate.destroy();