diff --git a/spring-core/src/main/java/org/springframework/aot/nativex/FileNativeConfigurationWriter.java b/spring-core/src/main/java/org/springframework/aot/nativex/FileNativeConfigurationWriter.java
index ae35c5ac634..22a0cd5c9d1 100644
--- a/spring-core/src/main/java/org/springframework/aot/nativex/FileNativeConfigurationWriter.java
+++ b/spring-core/src/main/java/org/springframework/aot/nativex/FileNativeConfigurationWriter.java
@@ -38,8 +38,10 @@ public class FileNativeConfigurationWriter extends NativeConfigurationWriter {
 
 	private final Path basePath;
 
+	@Nullable
 	private final String groupId;
 
+	@Nullable
 	private final String artifactId;
 
 	public FileNativeConfigurationWriter(Path basePath) {
diff --git a/spring-core/src/test/java/org/springframework/aot/nativex/BasicJsonWriterTests.java b/spring-core/src/test/java/org/springframework/aot/nativex/BasicJsonWriterTests.java
index 5a543dafb5a..5c401340a1d 100644
--- a/spring-core/src/test/java/org/springframework/aot/nativex/BasicJsonWriterTests.java
+++ b/spring-core/src/test/java/org/springframework/aot/nativex/BasicJsonWriterTests.java
@@ -179,7 +179,7 @@ class BasicJsonWriterTests {
 
 	@Test
 	void writeWithTypeReferenceForSimpleClass() {
-		 assertStringAttribute(TypeReference.of(String.class), "java.lang.String");
+		assertStringAttribute(TypeReference.of(String.class), "java.lang.String");
 	}
 
 	@Test