1 files changed, 1 insertions, 1 deletions
diff --git a/src/mongo/db/commands/create_indexes.cpp b/src/mongo/db/commands/create_indexes.cpp
index 8496c2fe0ee..e2dafe6c2e0 100644
--- a/src/mongo/db/commands/create_indexes.cpp
+++ b/src/mongo/db/commands/create_indexes.cpp
@@ -111,7 +111,7 @@ std::vector<BSONObj> parseAndValidateIndexSpecs(OperationContext* opCtx,
     for (const auto& index : cmd.getIndexes()) {
         BSONObj parsedIndexSpec = index;
         if (ignoreUnknownIndexOptions) {
-            parsedIndexSpec = index_key_validate::removeUnknownFields(parsedIndexSpec);
+            parsedIndexSpec = index_key_validate::removeUnknownFields(ns, parsedIndexSpec);
         }
 
         auto indexSpecStatus = index_key_validate::validateIndexSpec(opCtx, parsedIndexSpec);