diff --git a/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/repository/config/MongoRepositoryConfigurationExtension.java b/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/repository/config/MongoRepositoryConfigurationExtension.java
index d3bc7aed3..227937978 100644
--- a/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/repository/config/MongoRepositoryConfigurationExtension.java
+++ b/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/repository/config/MongoRepositoryConfigurationExtension.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012 the original author or authors.
+ * Copyright 2012-2014 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -28,6 +28,7 @@ import org.springframework.data.config.ParsingUtils;
 import org.springframework.data.mongodb.config.BeanNames;
 import org.springframework.data.mongodb.core.mapping.Document;
 import org.springframework.data.mongodb.core.mapping.MongoMappingContext;
+import org.springframework.data.mongodb.repository.MongoRepository;
 import org.springframework.data.mongodb.repository.support.MongoRepositoryFactoryBean;
 import org.springframework.data.repository.config.AnnotationRepositoryConfigurationSource;
 import org.springframework.data.repository.config.RepositoryConfigurationExtension;
@@ -83,6 +84,15 @@ public class MongoRepositoryConfigurationExtension extends RepositoryConfigurati
 		return Collections.<Class<? extends Annotation>> singleton(Document.class);
 	}
 
+	/* 
+	 * (non-Javadoc)
+	 * @see org.springframework.data.repository.config.RepositoryConfigurationExtensionSupport#getIdentifyingTypes()
+	 */
+	@Override
+	protected Collection<Class<?>> getIdentifyingTypes() {
+		return Collections.<Class<?>> singleton(MongoRepository.class);
+	}
+
 	/* 
 	 * (non-Javadoc)
 	 * @see org.springframework.data.repository.config.RepositoryConfigurationExtensionSupport#postProcess(org.springframework.beans.factory.support.BeanDefinitionBuilder, org.springframework.data.repository.config.RepositoryConfigurationSource)
diff --git a/spring-data-mongodb/src/test/java/org/springframework/data/mongodb/repository/config/MongoRepositoryConfigurationExtensionUnitTests.java b/spring-data-mongodb/src/test/java/org/springframework/data/mongodb/repository/config/MongoRepositoryConfigurationExtensionUnitTests.java
new file mode 100644
index 000000000..eb6fd4f40
--- /dev/null
+++ b/spring-data-mongodb/src/test/java/org/springframework/data/mongodb/repository/config/MongoRepositoryConfigurationExtensionUnitTests.java
@@ -0,0 +1,116 @@
+/*
+ * Copyright 2014 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.data.mongodb.repository.config;
+
+import static org.junit.Assert.*;
+
+import java.util.Collection;
+
+import org.junit.Test;
+import org.springframework.core.env.Environment;
+import org.springframework.core.env.StandardEnvironment;
+import org.springframework.core.io.ResourceLoader;
+import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
+import org.springframework.core.type.StandardAnnotationMetadata;
+import org.springframework.data.mongodb.core.mapping.Document;
+import org.springframework.data.mongodb.repository.MongoRepository;
+import org.springframework.data.repository.Repository;
+import org.springframework.data.repository.config.AnnotationRepositoryConfigurationSource;
+import org.springframework.data.repository.config.RepositoryConfiguration;
+import org.springframework.data.repository.config.RepositoryConfigurationSource;
+
+/**
+ * Unit tests for {@link MongoRepositoryConfigurationExtension}.
+ * 
+ * @author Oliver Gierke
+ * @since 1.6
+ */
+public class MongoRepositoryConfigurationExtensionUnitTests {
+
+	StandardAnnotationMetadata metadata = new StandardAnnotationMetadata(Config.class, true);
+	ResourceLoader loader = new PathMatchingResourcePatternResolver();
+	Environment environment = new StandardEnvironment();
+	RepositoryConfigurationSource configurationSource = new AnnotationRepositoryConfigurationSource(metadata,
+			EnableMongoRepositories.class, loader, environment);
+
+	/**
+	 * @see DATAMONGO-1009
+	 */
+	@Test
+	public void isStrictMatchIfDomainTypeIsAnnotatedWithDocument() {
+
+		MongoRepositoryConfigurationExtension extension = new MongoRepositoryConfigurationExtension();
+		assertHasRepo(SampleRepository.class, extension.getRepositoryConfigurations(configurationSource, loader, true));
+	}
+
+	/**
+	 * @see DATAMONGO-1009
+	 */
+	@Test
+	public void isStrictMatchIfRepositoryExtendsStoreSpecificBase() {
+
+		MongoRepositoryConfigurationExtension extension = new MongoRepositoryConfigurationExtension();
+		assertHasRepo(StoreRepository.class, extension.getRepositoryConfigurations(configurationSource, loader, true));
+	}
+
+	/**
+	 * @see DATAMONGO-1009
+	 */
+	@Test
+	public void isNotStrictMatchIfDomainTypeIsNotAnnotatedWithDocument() {
+
+		MongoRepositoryConfigurationExtension extension = new MongoRepositoryConfigurationExtension();
+		assertDoesNotHaveRepo(UnannotatedRepository.class,
+				extension.getRepositoryConfigurations(configurationSource, loader, true));
+	}
+
+	private static void assertHasRepo(Class<?> repositoryInterface,
+			Collection<RepositoryConfiguration<RepositoryConfigurationSource>> configs) {
+
+		for (RepositoryConfiguration<?> config : configs) {
+			if (config.getRepositoryInterface().equals(repositoryInterface.getName())) {
+				return;
+			}
+		}
+
+		fail("Expected to find config for repository interface ".concat(repositoryInterface.getName()).concat(" but got ")
+				.concat(configs.toString()));
+	}
+
+	private static void assertDoesNotHaveRepo(Class<?> repositoryInterface,
+			Collection<RepositoryConfiguration<RepositoryConfigurationSource>> configs) {
+
+		for (RepositoryConfiguration<?> config : configs) {
+			if (config.getRepositoryInterface().equals(repositoryInterface.getName())) {
+				fail("Expected not to find config for repository interface ".concat(repositoryInterface.getName()));
+			}
+		}
+	}
+
+	@EnableMongoRepositories(considerNestedRepositories = true)
+	static class Config {
+
+	}
+
+	@Document
+	static class Sample {}
+
+	interface SampleRepository extends Repository<Sample, Long> {}
+
+	interface UnannotatedRepository extends Repository<Object, Long> {}
+
+	interface StoreRepository extends MongoRepository<Object, Long> {}
+}