diff --git a/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/MongoTemplate.java b/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/MongoTemplate.java
index 93477b738e..456c440eec 100644
--- a/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/MongoTemplate.java
+++ b/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/MongoTemplate.java
@@ -1849,7 +1849,7 @@ public <T> List<T> mapReduce(Query query, Class<?> domainType, String inputColle
 
 		Document mappedSort = getMappedSortObject(query, domainType);
 		if (mappedSort != null && !mappedSort.isEmpty()) {
-			mapReduce = mapReduce.sort(getMappedSortObject(query, domainType));
+			mapReduce = mapReduce.sort(mappedSort);
 		}
 
 		mapReduce = mapReduce