diff --git a/config/src/test/java/org/springframework/security/config/annotation/web/configurers/X509ConfigurerTests.java b/config/src/test/java/org/springframework/security/config/annotation/web/configurers/X509ConfigurerTests.java
index f9453d650e..5e490152f7 100644
--- a/config/src/test/java/org/springframework/security/config/annotation/web/configurers/X509ConfigurerTests.java
+++ b/config/src/test/java/org/springframework/security/config/annotation/web/configurers/X509ConfigurerTests.java
@@ -27,6 +27,7 @@ import org.junit.jupiter.api.extension.ExtendWith;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Primary;
 import org.springframework.core.io.ClassPathResource;
 import org.springframework.security.config.ObjectPostProcessor;
 import org.springframework.security.config.annotation.SecurityContextChangedListenerConfig;
@@ -77,7 +78,8 @@ public class X509ConfigurerTests {
 	@Test
 	public void configureWhenRegisteringObjectPostProcessorThenInvokedOnX509AuthenticationFilter() {
 		this.spring.register(ObjectPostProcessorConfig.class).autowire();
-		verify(ObjectPostProcessorConfig.objectPostProcessor).postProcess(any(X509AuthenticationFilter.class));
+		ObjectPostProcessor<Object> objectPostProcessor = this.spring.getContext().getBean(ObjectPostProcessor.class);
+		verify(objectPostProcessor).postProcess(any(X509AuthenticationFilter.class));
 	}
 
 	@Test
@@ -193,7 +195,7 @@ public class X509ConfigurerTests {
 	@EnableWebSecurity
 	static class ObjectPostProcessorConfig {
 
-		static ObjectPostProcessor<Object> objectPostProcessor = spy(ReflectingObjectPostProcessor.class);
+		ObjectPostProcessor<Object> objectPostProcessor = spy(ReflectingObjectPostProcessor.class);
 
 		@Bean
 		SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
@@ -205,8 +207,9 @@ public class X509ConfigurerTests {
 		}
 
 		@Bean
-		static ObjectPostProcessor<Object> objectPostProcessor() {
-			return objectPostProcessor;
+		@Primary
+		ObjectPostProcessor<Object> objectPostProcessor() {
+			return this.objectPostProcessor;
 		}
 
 	}