diff --git a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/condition/ConditionalOnBooleanPropertyTests.java b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/condition/ConditionalOnBooleanPropertyTests.java
index 2555af0eef..4b083b90cf 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/condition/ConditionalOnBooleanPropertyTests.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/condition/ConditionalOnBooleanPropertyTests.java
@@ -151,7 +151,7 @@ class ConditionalOnBooleanPropertyTests {
 			.run();
 	}
 
-	static abstract class BeanConfiguration {
+	abstract static class BeanConfiguration {
 
 		@Bean
 		String foo() {