diff --git a/spring-test/src/main/java/org/springframework/test/context/bean/override/BeanOverrideBeanFactoryPostProcessor.java b/spring-test/src/main/java/org/springframework/test/context/bean/override/BeanOverrideBeanFactoryPostProcessor.java
index daff62de6e5..78164079511 100644
--- a/spring-test/src/main/java/org/springframework/test/context/bean/override/BeanOverrideBeanFactoryPostProcessor.java
+++ b/spring-test/src/main/java/org/springframework/test/context/bean/override/BeanOverrideBeanFactoryPostProcessor.java
@@ -101,10 +101,12 @@ class BeanOverrideBeanFactoryPostProcessor implements BeanFactoryPostProcessor,
 	 * Copy certain details of a {@link BeanDefinition} to the definition created by
 	 * this processor for a given {@link OverrideMetadata}.
 	 * <p>The default implementation copies the {@linkplain BeanDefinition#isPrimary()
-	 * primary flag} and the {@linkplain BeanDefinition#getScope() scope}.
+	 * primary flag}, @{@linkplain BeanDefinition#isFallback() fallback flag}
+	 * and the {@linkplain BeanDefinition#getScope() scope}.
 	 */
 	protected void copyBeanDefinitionDetails(BeanDefinition from, RootBeanDefinition to) {
 		to.setPrimary(from.isPrimary());
+		to.setFallback(from.isFallback());
 		to.setScope(from.getScope());
 	}
 
diff --git a/spring-test/src/test/java/org/springframework/test/context/bean/override/BeanOverrideBeanFactoryPostProcessorTests.java b/spring-test/src/test/java/org/springframework/test/context/bean/override/BeanOverrideBeanFactoryPostProcessorTests.java
index 79713a42de2..8b8cefaf513 100644
--- a/spring-test/src/test/java/org/springframework/test/context/bean/override/BeanOverrideBeanFactoryPostProcessorTests.java
+++ b/spring-test/src/test/java/org/springframework/test/context/bean/override/BeanOverrideBeanFactoryPostProcessorTests.java
@@ -156,12 +156,13 @@ class BeanOverrideBeanFactoryPostProcessorTests {
 	}
 
 	@Test
-	void copyDefinitionPrimaryAndScope() {
+	void copyDefinitionPrimaryFallbackAndScope() {
 		AnnotationConfigApplicationContext context = createContext(SingletonBean.class);
 		context.getBeanFactory().registerScope("customScope", new SimpleThreadScope());
 		RootBeanDefinition definition = new RootBeanDefinition(String.class, () -> "ORIGINAL");
 		definition.setScope("customScope");
 		definition.setPrimary(true);
+		definition.setFallback(true);
 		context.registerBeanDefinition("singleton", definition);
 		context.register(SingletonBean.class);
 
@@ -169,6 +170,7 @@ class BeanOverrideBeanFactoryPostProcessorTests {
 		assertThat(context.getBeanDefinition("singleton"))
 				.isNotSameAs(definition)
 				.matches(BeanDefinition::isPrimary, "isPrimary")
+				.matches(BeanDefinition::isFallback, "isFallback")
 				.satisfies(d -> assertThat(d.getScope()).isEqualTo("customScope"))
 				.matches(Predicate.not(BeanDefinition::isSingleton), "!isSingleton")
 				.matches(Predicate.not(BeanDefinition::isPrototype), "!isPrototype");