diff --git a/spring-web/src/main/java/org/springframework/web/method/ControllerAdviceBean.java b/spring-web/src/main/java/org/springframework/web/method/ControllerAdviceBean.java
index 37551a38b3ab..3ba6006aa1cf 100644
--- a/spring-web/src/main/java/org/springframework/web/method/ControllerAdviceBean.java
+++ b/spring-web/src/main/java/org/springframework/web/method/ControllerAdviceBean.java
@@ -56,6 +56,7 @@ public class ControllerAdviceBean implements Ordered {
 	 * Reference to the resolved bean instance, potentially lazily retrieved
 	 * via the {@code BeanFactory}.
 	 */
+	@Nullable
 	private Object resolvedBean;
 
 	@Nullable