diff --git a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/ServerProperties.java b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/ServerProperties.java
index 67eec8c266fd..8f67cab31efa 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/ServerProperties.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/ServerProperties.java
@@ -323,6 +323,7 @@ public static class Session {
 			@DurationUnit(ChronoUnit.SECONDS)
 			private Duration timeout = Duration.ofMinutes(30);
 
+			@NestedConfigurationProperty
 			private final Cookie cookie = new Cookie();
 
 			public Duration getTimeout() {