diff --git a/spring-ai-integration-tests/src/test/java/org/springframework/ai/integration/tests/tool/FunctionToolCallbackTests.java b/spring-ai-integration-tests/src/test/java/org/springframework/ai/integration/tests/tool/FunctionToolCallbackTests.java
index d93d3d31e..4f30de7c6 100644
--- a/spring-ai-integration-tests/src/test/java/org/springframework/ai/integration/tests/tool/FunctionToolCallbackTests.java
+++ b/spring-ai-integration-tests/src/test/java/org/springframework/ai/integration/tests/tool/FunctionToolCallbackTests.java
@@ -158,7 +158,7 @@ public class FunctionToolCallbackTests {
 		var content = ChatClient.builder(this.openAiChatModel)
 			.build()
 			.prompt()
-			.user("What authors wrote the books %s and %s available in the library?".formatted("The Hobbit", "Narnia"))
+			.user("What authors wrote the books %s and %s available in the library?".formatted("The Hobbit", "The Lion, the Witch and the Wardrobe"))
 			.tools(Tools.AUTHORS_BY_BOOKS)
 			.call()
 			.content();
@@ -174,7 +174,7 @@ public class FunctionToolCallbackTests {
 		var content = ChatClient.builder(this.openAiChatModel)
 			.build()
 			.prompt()
-			.user("What authors wrote the books %s and %s available in the library?".formatted("The Hobbit", "Narnia"))
+			.user("What authors wrote the books %s and %s available in the library?".formatted("The Hobbit", "The Lion, the Witch and the Wardrobe"))
 			.tools(FunctionToolCallback.builder("authorsByAvailableBooks", function)
 				.description("Get the list of authors who wrote the given books available in the library")
 				.inputType(Books.class)
diff --git a/spring-ai-integration-tests/src/test/java/org/springframework/ai/integration/tests/tool/domain/BookService.java b/spring-ai-integration-tests/src/test/java/org/springframework/ai/integration/tests/tool/domain/BookService.java
index c19ae634b..641fd84d4 100644
--- a/spring-ai-integration-tests/src/test/java/org/springframework/ai/integration/tests/tool/domain/BookService.java
+++ b/spring-ai-integration-tests/src/test/java/org/springframework/ai/integration/tests/tool/domain/BookService.java
@@ -28,7 +28,7 @@ public class BookService {
 	private static final ConcurrentHashMap<Integer, Book> books = new ConcurrentHashMap<>(Map
 		.of( // @formatter:off
 		1, new Book("His Dark Materials", "Philip Pullman"),
-		2, new Book("Narnia", "C.S. Lewis"),
+		2, new Book("The Lion, the Witch and the Wardrobe", "C.S. Lewis"),
 		3, new Book("The Hobbit", "J.R.R. Tolkien"),
 		4, new Book("The Lord of The Rings", "J.R.R. Tolkien"),
 		5, new Book("The Silmarillion", "J.R.R. Tolkien"))); // @formatter:on