1 files changed, 5 insertions, 1 deletions
diff --git a/jstests/aggregation/sources/out/out_read_write_to_same_collection.js b/jstests/aggregation/sources/out/out_read_write_to_same_collection.js
index b77aca92537..5ceea5c4e9b 100644
--- a/jstests/aggregation/sources/out/out_read_write_to_same_collection.js
+++ b/jstests/aggregation/sources/out/out_read_write_to_same_collection.js
@@ -2,7 +2,11 @@
 //
 // This test assumes that collections are not implicitly sharded, since $out is prohibited if the
 // output collection is sharded.
-// @tags: [assumes_unsharded_collection]
+// @tags: [
+//   assumes_unsharded_collection,
+//   # Asserts on the number of indexes.
+//   assumes_no_implicit_index_creation,
+// ]
 (function() {
 "use strict";