diff --git a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/web/server/ChildManagementContextInitializer.java b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/web/server/ChildManagementContextInitializer.java
index 774322168e..f560a145d8 100644
--- a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/web/server/ChildManagementContextInitializer.java
+++ b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/web/server/ChildManagementContextInitializer.java
@@ -22,7 +22,6 @@ import javax.lang.model.element.Modifier;
 
 import org.springframework.aot.generate.GeneratedMethod;
 import org.springframework.aot.generate.GenerationContext;
-import org.springframework.aot.generate.MethodReference;
 import org.springframework.beans.factory.BeanFactory;
 import org.springframework.beans.factory.aot.BeanRegistrationAotContribution;
 import org.springframework.beans.factory.aot.BeanRegistrationAotProcessor;
@@ -172,8 +171,7 @@ class ChildManagementContextInitializer
 							.returns(ChildManagementContextInitializer.class)
 							.addStatement("return instance.withApplicationContextInitializer(new $L())",
 									generatedInitializerClassName));
-			beanRegistrationCode.addInstancePostProcessor(
-					MethodReference.ofStatic(beanRegistrationCode.getClassName(), postProcessorMethod.getName()));
+			beanRegistrationCode.addInstancePostProcessor(postProcessorMethod.toMethodReference());
 		}
 
 	}