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 003bfeb4f..5f06cfda6 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
@@ -105,6 +105,8 @@ public class MongoRepositoryConfigurationExtension extends RepositoryConfigurati
 	@Override
 	public void registerBeansForRoot(BeanDefinitionRegistry registry, RepositoryConfigurationSource configurationSource) {
 
+		super.registerBeansForRoot(registry, configurationSource);
+
 		if (!registry.containsBeanDefinition(BeanNames.MAPPING_CONTEXT_BEAN_NAME)) {
 
 			RootBeanDefinition definition = new RootBeanDefinition(MongoMappingContext.class);
diff --git a/spring-data-mongodb/src/test/java/org/springframework/data/mongodb/repository/config/MongoRepositoriesRegistrarIntegrationTests.java b/spring-data-mongodb/src/test/java/org/springframework/data/mongodb/repository/config/MongoRepositoriesRegistrarIntegrationTests.java
index abc00e94e..3676619e4 100644
--- a/spring-data-mongodb/src/test/java/org/springframework/data/mongodb/repository/config/MongoRepositoriesRegistrarIntegrationTests.java
+++ b/spring-data-mongodb/src/test/java/org/springframework/data/mongodb/repository/config/MongoRepositoriesRegistrarIntegrationTests.java
@@ -15,9 +15,12 @@
  */
 package org.springframework.data.mongodb.repository.config;
 
+import static org.junit.Assert.*;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ApplicationContext;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.mongodb.core.MongoOperations;
@@ -49,9 +52,25 @@ public class MongoRepositoriesRegistrarIntegrationTests {
 	}
 
 	@Autowired PersonRepository personRepository;
+	@Autowired ApplicationContext context;
 
 	@Test
 	public void testConfiguration() {
 
 	}
+
+	/**
+	 * @see DATAMONGO-901
+	 */
+	@Test
+	public void registersTypePredictingPostProcessor() {
+
+		for (String name : context.getBeanDefinitionNames()) {
+			if (name.startsWith("org.springframework.data.repository.core.support.RepositoryInterfaceAwareBeanPostProcessor")) {
+				return;
+			}
+		}
+
+		fail("Expected to find a bean with name starting with RepositoryInterfaceAwareBeanPostProcessor");
+	}
 }