diff --git a/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/annotation/EndpointDiscoverer.java b/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/annotation/EndpointDiscoverer.java
index 037ac5734ea..5676bc693ca 100644
--- a/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/annotation/EndpointDiscoverer.java
+++ b/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/annotation/EndpointDiscoverer.java
@@ -466,8 +466,8 @@ public abstract class EndpointDiscoverer<E extends ExposableEndpoint<O>, O exten
 		ExtensionBean(String beanName, Object bean) {
 			this.bean = bean;
 			this.beanName = beanName;
-			MergedAnnotation<EndpointExtension> extensionAnnotation = MergedAnnotations.from(bean.getClass())
-					.get(EndpointExtension.class);
+			MergedAnnotation<EndpointExtension> extensionAnnotation = MergedAnnotations
+					.from(bean.getClass(), SearchStrategy.TYPE_HIERARCHY).get(EndpointExtension.class);
 			Class<?> endpointType = extensionAnnotation.getClass("endpoint");
 			MergedAnnotation<Endpoint> endpointAnnotation = MergedAnnotations
 					.from(endpointType, SearchStrategy.TYPE_HIERARCHY).get(Endpoint.class);
diff --git a/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/annotation/EndpointDiscovererTests.java b/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/annotation/EndpointDiscovererTests.java
index 565d191f299..11c08155ea6 100644
--- a/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/annotation/EndpointDiscovererTests.java
+++ b/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/annotation/EndpointDiscovererTests.java
@@ -44,6 +44,8 @@ import org.springframework.boot.actuate.endpoint.invoke.ParameterValueMapper;
 import org.springframework.boot.actuate.endpoint.invoke.convert.ConversionServiceParameterValueMapper;
 import org.springframework.boot.actuate.endpoint.invoker.cache.CachingOperationInvoker;
 import org.springframework.boot.actuate.endpoint.invoker.cache.CachingOperationInvokerAdvisor;
+import org.springframework.cglib.proxy.Enhancer;
+import org.springframework.cglib.proxy.FixedValue;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 import org.springframework.context.annotation.Bean;
@@ -236,6 +238,15 @@ class EndpointDiscovererTests {
 		});
 	}
 
+	@Test
+	void getEndpointsWhenHasProxiedEndpointShouldReturnEndpoint() {
+		load(ProxiedSpecializedEndpointsConfiguration.class, (context) -> {
+			SpecializedEndpointDiscoverer discoverer = new SpecializedEndpointDiscoverer(context);
+			Map<EndpointId, SpecializedExposableEndpoint> endpoints = mapEndpoints(discoverer.getEndpoints());
+			assertThat(endpoints).containsOnlyKeys(EndpointId.of("test"), EndpointId.of("specialized"));
+		});
+	}
+
 	@Test
 	void getEndpointsShouldApplyFilters() {
 		load(SpecializedEndpointsConfiguration.class, (context) -> {
@@ -327,6 +338,19 @@ class EndpointDiscovererTests {
 
 	}
 
+	@Configuration(proxyBeanMethods = false)
+	static class ProxiedSpecializedTestEndpointConfiguration {
+
+		@Bean
+		SpecializedExtension specializedExtension() {
+			Enhancer enhancer = new Enhancer();
+			enhancer.setSuperclass(SpecializedExtension.class);
+			enhancer.setCallback((FixedValue) () -> null);
+			return (SpecializedExtension) enhancer.create();
+		}
+
+	}
+
 	@Configuration(proxyBeanMethods = false)
 	static class TestEndpointConfiguration {
 
@@ -387,6 +411,11 @@ class EndpointDiscovererTests {
 
 	}
 
+	@Import({ TestEndpoint.class, SpecializedTestEndpoint.class, ProxiedSpecializedTestEndpointConfiguration.class })
+	static class ProxiedSpecializedEndpointsConfiguration {
+
+	}
+
 	@Endpoint(id = "test")
 	static class TestEndpoint {