diff --git a/spring-modulith-integration-test/src/test/java/org/springframework/modulith/core/util/ApplicationModulesExporterUnitTests.java b/spring-modulith-integration-test/src/test/java/org/springframework/modulith/core/util/ApplicationModulesExporterUnitTests.java
index ae3b74d5..dde1494e 100644
--- a/spring-modulith-integration-test/src/test/java/org/springframework/modulith/core/util/ApplicationModulesExporterUnitTests.java
+++ b/spring-modulith-integration-test/src/test/java/org/springframework/modulith/core/util/ApplicationModulesExporterUnitTests.java
@@ -17,30 +17,48 @@ package org.springframework.modulith.core.util;
 
 import static org.assertj.core.api.Assertions.*;
 
+import java.util.List;
+
 import org.junit.jupiter.api.Test;
 import org.springframework.modulith.core.ApplicationModules;
 
 import com.acme.myproject.Application;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.jayway.jsonpath.JsonPath;
 
 /**
  * Unit tests for {@link ApplicationModulesExporter}.
  *
  * @author Oliver Drotbohm
  */
-public class ApplicationModulesExporterUnitTests {
+class ApplicationModulesExporterUnitTests {
+
+	private static final ApplicationModulesExporter EXPORTER = new ApplicationModulesExporter(
+			ApplicationModules.of(Application.class));
+	private static final JsonPath NAMED_INTERFACES = JsonPath.compile("$..namedInterfaces");
 
 	@Test // #119
 	void rendersApplicationModulesAsJson() {
 
-		var exporter = new ApplicationModulesExporter(ApplicationModules.of(Application.class));
-
 		assertThatNoException().isThrownBy(() -> {
-			new ObjectMapper().readTree(exporter.toFullJson());
+			new ObjectMapper().readTree(EXPORTER.toJson());
 		});
+	}
 
+	@Test // #227
+	void simpleRenderingDoesNotListNamedInterfaces() {
+		assertThat((List<?>) NAMED_INTERFACES.read(EXPORTER.toJson())).isEmpty();
+	}
+
+	@Test // #227
+	void fullRenderingListsNamedInterfaces() {
+		assertThat((List<?>) NAMED_INTERFACES.read(EXPORTER.toFullJson())).isNotEmpty();
+	}
+
+	@Test // #227
+	void fullRenderingProducesValidJson() {
 		assertThatNoException().isThrownBy(() -> {
-			new ObjectMapper().readTree(exporter.toJson());
+			new ObjectMapper().readTree(EXPORTER.toJson());
 		});
 	}
 }