diff --git a/spring-modulith-test/src/main/java/org/springframework/modulith/test/ModuleContextCustomizerFactory.java b/spring-modulith-test/src/main/java/org/springframework/modulith/test/ModuleContextCustomizerFactory.java
index 8ae3c3f0..ec331dc8 100644
--- a/spring-modulith-test/src/main/java/org/springframework/modulith/test/ModuleContextCustomizerFactory.java
+++ b/spring-modulith-test/src/main/java/org/springframework/modulith/test/ModuleContextCustomizerFactory.java
@@ -84,7 +84,7 @@ class ModuleContextCustomizerFactory implements ContextCustomizerFactory {
 			beanFactory.registerSingleton(ModuleTestExecutionBeanDefinitionSelector.class.getName(),
 					new ModuleTestExecutionBeanDefinitionSelector(testExecution));
 
-			var events = new DefaultPublishedEvents();
+			var events = PublishedEventsFactory.createPublishedEvents();
 			beanFactory.registerSingleton(events.getClass().getName(), events);
 			context.addApplicationListener(events);
 		}
diff --git a/spring-modulith-test/src/main/java/org/springframework/modulith/test/PublishedEventsFactory.java b/spring-modulith-test/src/main/java/org/springframework/modulith/test/PublishedEventsFactory.java
new file mode 100644
index 00000000..6094eb62
--- /dev/null
+++ b/spring-modulith-test/src/main/java/org/springframework/modulith/test/PublishedEventsFactory.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2025 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.modulith.test;
+
+import org.springframework.context.ApplicationEvent;
+import org.springframework.context.ApplicationListener;
+import org.springframework.util.ClassUtils;
+
+/**
+ * Creates an instance of {@link PublishedEvents} or {@link AssertablePublishedEvents} depending on whether AssertJ is
+ * on the classpath or not.
+ *
+ * @author Oliver Drotbohm
+ * @since 1.4
+ */
+class PublishedEventsFactory {
+
+	private static final boolean ASSERT_J_PRESENT = ClassUtils.isPresent("org.assertj.core.api.Assert",
+			PublishedEventsParameterResolver.class.getClassLoader());
+
+	/**
+	 * Returns whether AssertJ is present or not.
+	 */
+	static boolean isAssertJPresent() {
+		return ASSERT_J_PRESENT;
+	}
+
+	/**
+	 * Creates a instance of {@link PublishedEvents} that's also an {@link ApplicationListener} for
+	 * {@link ApplicationEvent}s.
+	 *
+	 * @return will never be {@literal null}.
+	 */
+	@SuppressWarnings("unchecked")
+	static <T extends PublishedEvents & ApplicationListener<ApplicationEvent>> T createPublishedEvents() {
+		return (T) (isAssertJPresent() ? new DefaultAssertablePublishedEvents() : new DefaultPublishedEvents());
+	}
+}
diff --git a/spring-modulith-test/src/main/java/org/springframework/modulith/test/PublishedEventsParameterResolver.java b/spring-modulith-test/src/main/java/org/springframework/modulith/test/PublishedEventsParameterResolver.java
index 639a2d82..a7c964bc 100644
--- a/spring-modulith-test/src/main/java/org/springframework/modulith/test/PublishedEventsParameterResolver.java
+++ b/spring-modulith-test/src/main/java/org/springframework/modulith/test/PublishedEventsParameterResolver.java
@@ -27,7 +27,6 @@ import org.springframework.context.ApplicationListener;
 import org.springframework.context.support.AbstractApplicationContext;
 import org.springframework.test.context.junit.jupiter.SpringExtension;
 import org.springframework.util.Assert;
-import org.springframework.util.ClassUtils;
 
 /**
  * Provides instances of {@link PublishedEvents} as test method parameters.
@@ -36,9 +35,6 @@ import org.springframework.util.ClassUtils;
  */
 class PublishedEventsParameterResolver implements ParameterResolver, AfterEachCallback {
 
-	private static final boolean ASSERT_J_PRESENT = ClassUtils.isPresent("org.assertj.core.api.Assert",
-			PublishedEventsParameterResolver.class.getClassLoader());
-
 	private ThreadBoundApplicationListenerAdapter listener;
 	private final Function<ExtensionContext, ApplicationContext> lookup;
 
@@ -59,7 +55,8 @@ class PublishedEventsParameterResolver implements ParameterResolver, AfterEachCa
 
 		var type = parameterContext.getParameter().getType();
 
-		if (type.getName().equals("org.springframework.modulith.test.AssertablePublishedEvents") && !ASSERT_J_PRESENT) {
+		if (type.getName().equals("org.springframework.modulith.test.AssertablePublishedEvents")
+				&& !PublishedEventsFactory.isAssertJPresent()) {
 			throw new IllegalStateException(
 					"Method declares AssertablePublishedEvents as parameter but AssertJ is not on the classpath!");
 		}
@@ -74,9 +71,7 @@ class PublishedEventsParameterResolver implements ParameterResolver, AfterEachCa
 	@Override
 	public PublishedEvents resolveParameter(ParameterContext parameterContext, ExtensionContext extensionContext) {
 
-		var publishedEvents = ASSERT_J_PRESENT
-				? new DefaultAssertablePublishedEvents()
-				: new DefaultPublishedEvents();
+		var publishedEvents = PublishedEventsFactory.createPublishedEvents();
 
 		initializeListener(extensionContext);
 		listener.registerDelegate(publishedEvents);
diff --git a/spring-modulith-test/src/test/java/org/springframework/modulith/test/ModuleContextCustomizerUnitTests.java b/spring-modulith-test/src/test/java/org/springframework/modulith/test/ModuleContextCustomizerUnitTests.java
index 58fbd8fc..9996394c 100644
--- a/spring-modulith-test/src/test/java/org/springframework/modulith/test/ModuleContextCustomizerUnitTests.java
+++ b/spring-modulith-test/src/test/java/org/springframework/modulith/test/ModuleContextCustomizerUnitTests.java
@@ -21,9 +21,12 @@ import example.module.SampleTestA;
 import example.module.SampleTestB;
 
 import org.junit.jupiter.api.Test;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 import org.springframework.modulith.core.ApplicationModule;
 import org.springframework.modulith.core.ApplicationModuleIdentifier;
 import org.springframework.modulith.test.ModuleContextCustomizerFactory.ModuleContextCustomizer;
+import org.springframework.test.context.MergedContextConfiguration;
+import org.springframework.test.context.support.AnnotationConfigContextLoader;
 
 /**
  * Unit tests for {@link ModuleTypeExcludeFilter}.
@@ -65,4 +68,18 @@ class ModuleContextCustomizerUnitTests {
 		assertThat(right).isEqualTo(left);
 		assertThat(left).hasSameHashCodeAs(right);
 	}
+
+	@Test // GH-1110
+	void registersAssertablePublishedEvents() {
+
+		var context = new AnnotationConfigApplicationContext();
+		var loader = new AnnotationConfigContextLoader();
+
+		new ModuleContextCustomizer(SampleTestA.class)
+				.customizeContext(context, new MergedContextConfiguration(SampleTestA.class, null, null, null, loader));
+
+		assertThat(context.getApplicationListeners()).hasSize(1)
+				.element(0)
+				.isInstanceOf(AssertablePublishedEvents.class);
+	}
 }