diff --git a/spring-web/src/main/java/org/springframework/http/server/reactive/JettyCoreServerHttpResponse.java b/spring-web/src/main/java/org/springframework/http/server/reactive/JettyCoreServerHttpResponse.java
index 9ad748a85c3..c9ee8eeb563 100644
--- a/spring-web/src/main/java/org/springframework/http/server/reactive/JettyCoreServerHttpResponse.java
+++ b/spring-web/src/main/java/org/springframework/http/server/reactive/JettyCoreServerHttpResponse.java
@@ -212,9 +212,8 @@ class JettyCoreServerHttpResponse extends AbstractServerHttpResponse implements
 		}
 
 		@Override
-		public @Nullable SameSite getSameSite() {
-			// Adding non-null return site breaks tests.
-			return null;
+		public SameSite getSameSite() {
+			return SameSite.from(this.responseCookie.getSameSite());
 		}
 
 		@Override