1 files changed, 3 insertions, 3 deletions
diff --git a/jstests/sharding/mapReduce_outSharded_checkUUID.js b/jstests/sharding/mapReduce_outSharded_checkUUID.js
index 0de45c127c7..4a0044c563c 100644
--- a/jstests/sharding/mapReduce_outSharded_checkUUID.js
+++ b/jstests/sharding/mapReduce_outSharded_checkUUID.js
@@ -35,6 +35,7 @@
             bulk.insert({j: j, i: i});
         }
     }
+
     assert.writeOK(bulk.execute());
 
     function map() {
@@ -47,14 +48,14 @@
     // sharded src sharded dst
     var suffix = "InShardedOutSharded";
 
-    // Check that merge to an existing empty sharded collection works and creates a new UUID after
+    // Check that merge to an existing empty sharded collection works and preserves the UUID after
     // M/R
     st.adminCommand({shardcollection: "mrShard.outSharded", key: {"_id": 1}});
     var origUUID = getUUIDFromConfigCollections(st.s, "mrShard.outSharded");
     var out = db.srcSharded.mapReduce(map, reduce, {out: {merge: "outSharded", sharded: true}});
     verifyOutput(out, 512);
     var newUUID = getUUIDFromConfigCollections(st.s, "mrShard.outSharded");
-    assert.neq(origUUID, newUUID);
+    assert.eq(origUUID, newUUID);
 
     // Shard1 is the primary shard and only one chunk should have been written, so the chunk with
     // the new UUID should have been written to it.
@@ -166,5 +167,4 @@
     assert.eq(newUUID, getUUIDFromListCollections(st.shard1.getDB("mrShard"), "replaceUnsharded"));
 
     st.stop();
-
 })();