diff --git a/config/src/test/java/org/springframework/security/config/annotation/web/socket/WebSocketMessageBrokerSecurityConfigurationTests.java b/config/src/test/java/org/springframework/security/config/annotation/web/socket/WebSocketMessageBrokerSecurityConfigurationTests.java
index 099207d0b5e..cf2d0358069 100644
--- a/config/src/test/java/org/springframework/security/config/annotation/web/socket/WebSocketMessageBrokerSecurityConfigurationTests.java
+++ b/config/src/test/java/org/springframework/security/config/annotation/web/socket/WebSocketMessageBrokerSecurityConfigurationTests.java
@@ -68,6 +68,7 @@
 import org.springframework.security.authorization.AuthorizationDecision;
 import org.springframework.security.authorization.AuthorizationManager;
 import org.springframework.security.config.annotation.SecurityContextChangedListenerConfig;
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
 import org.springframework.security.config.annotation.web.messaging.MessageSecurityMetadataSourceRegistry;
 import org.springframework.security.config.observation.SecurityObservationSettings;
 import org.springframework.security.core.Authentication;
@@ -438,6 +439,12 @@ public void sendMessageWhenExcludeAuthorizationObservationsThenUnobserved() {
 		verifyNoInteractions(observationHandler);
 	}
 
+	// gh-16011
+	@Test
+	public void enableWebSocketSecurityWhenWebSocketSecurityUsedThenAutowires() {
+		loadConfig(WithWebSecurity.class);
+	}
+
 	private void assertHandshake(HttpServletRequest request) {
 		TestHandshakeHandler handshakeHandler = this.context.getBean(TestHandshakeHandler.class);
 		assertThatCsrfToken(handshakeHandler.attributes.get(CsrfToken.class.getName())).isEqualTo(this.token);
@@ -489,6 +496,7 @@ private <T extends MessageChannel> T clientInboundChannel() {
 
 	private void loadConfig(Class<?>... configs) {
 		this.context = new AnnotationConfigWebApplicationContext();
+		this.context.setAllowBeanDefinitionOverriding(false);
 		this.context.register(configs);
 		this.context.setServletConfig(new MockServletConfig());
 		this.context.refresh();
@@ -939,6 +947,13 @@ TestHandshakeHandler testHandshakeHandler() {
 
 	}
 
+	@Configuration(proxyBeanMethods = false)
+	@EnableWebSecurity
+	@Import(WebSocketSecurityConfig.class)
+	static class WithWebSecurity {
+
+	}
+
 	@Configuration
 	static class SyncExecutorConfig {