diff --git a/spring-data-rest-repository/src/main/java/org/springframework/data/rest/repository/mapping/TypeBasedCollectionResourceMapping.java b/spring-data-rest-repository/src/main/java/org/springframework/data/rest/repository/mapping/TypeBasedCollectionResourceMapping.java
index 9f682b8db..176b00369 100644
--- a/spring-data-rest-repository/src/main/java/org/springframework/data/rest/repository/mapping/TypeBasedCollectionResourceMapping.java
+++ b/spring-data-rest-repository/src/main/java/org/springframework/data/rest/repository/mapping/TypeBasedCollectionResourceMapping.java
@@ -15,6 +15,8 @@
  */
 package org.springframework.data.rest.repository.mapping;
 
+import java.lang.reflect.Modifier;
+
 import org.springframework.core.annotation.AnnotationUtils;
 import org.springframework.data.rest.core.Path;
 import org.springframework.data.rest.repository.annotation.RestResource;
@@ -78,7 +80,7 @@ public class TypeBasedCollectionResourceMapping implements CollectionResourceMap
 	 */
 	@Override
 	public Boolean isExported() {
-		return annotation == null ? true : annotation.exported();
+		return annotation == null ? Modifier.isPublic(type.getModifiers()) : annotation.exported();
 	}
 
 	/* 
diff --git a/spring-data-rest-repository/src/test/java/org/springframework/data/rest/repository/mapping/RepositoryCollectionResourceMappingUnitTests.java b/spring-data-rest-repository/src/test/java/org/springframework/data/rest/repository/mapping/RepositoryCollectionResourceMappingUnitTests.java
index b5206ecd9..696d8ec55 100644
--- a/spring-data-rest-repository/src/test/java/org/springframework/data/rest/repository/mapping/RepositoryCollectionResourceMappingUnitTests.java
+++ b/spring-data-rest-repository/src/test/java/org/springframework/data/rest/repository/mapping/RepositoryCollectionResourceMappingUnitTests.java
@@ -64,12 +64,12 @@ public class RepositoryCollectionResourceMappingUnitTests {
 		assertThat(mapping.isExported(), is(true));
 	}
 
-	static class Person {}
+	public static class Person {}
 
 	@RestResource(path = "bar", rel = "foo", exported = false)
 	static class AnnotatedPerson {}
 
-	interface PersonRepository extends Repository<Person, Long> {}
+	public interface PersonRepository extends Repository<Person, Long> {}
 
 	interface AnnotatedPersonRepository extends Repository<AnnotatedPerson, Long> {}
 
diff --git a/spring-data-rest-repository/src/test/java/org/springframework/data/rest/repository/mapping/TypeBasedCollectionResourceMappingUnitTest.java b/spring-data-rest-repository/src/test/java/org/springframework/data/rest/repository/mapping/TypeBasedCollectionResourceMappingUnitTest.java
index e91cc9e0c..24d57be68 100644
--- a/spring-data-rest-repository/src/test/java/org/springframework/data/rest/repository/mapping/TypeBasedCollectionResourceMappingUnitTest.java
+++ b/spring-data-rest-repository/src/test/java/org/springframework/data/rest/repository/mapping/TypeBasedCollectionResourceMappingUnitTest.java
@@ -51,12 +51,23 @@ public class TypeBasedCollectionResourceMappingUnitTest {
 		assertThat(mapping.isExported(), is(true));
 	}
 
-	class Sample {
+	/**
+	 * @see DATAREST-99
+	 */
+	@Test
+	public void doesNotExportNonPublicTypesByDefault() {
 
+		CollectionResourceMapping mapping = new TypeBasedCollectionResourceMapping(HiddenSample.class);
+
+		assertThat(mapping.isExported(), is(false));
 	}
 
+	public interface Sample {}
+
+	interface HiddenSample {}
+
 	@RestResource(rel = "myRel")
-	class CustomizedSample {
+	interface CustomizedSample {
 
 	}
 }