1 files changed, 3 insertions, 2 deletions
diff --git a/src/mongo/db/update/update_object_node.h b/src/mongo/db/update/update_object_node.h
index d7f2e56e9de..8c347968e74 100644
--- a/src/mongo/db/update/update_object_node.h
+++ b/src/mongo/db/update/update_object_node.h
@@ -39,6 +39,7 @@
 #include "mongo/bson/bsonelement.h"
 #include "mongo/db/matcher/expression_with_placeholder.h"
 #include "mongo/db/update/modifier_table.h"
+#include "mongo/db/update/path_support.h"
 #include "mongo/db/update/update_internal_node.h"
 #include "mongo/stdx/unordered_map.h"
 
@@ -126,12 +127,12 @@ public:
         visitor->visit(this);
     }
 
-    const std::map<std::string, clonable_ptr<UpdateNode>>& getChildren() const {
+    const auto& getChildren() const {
         return _children;
     }
 
 private:
-    std::map<std::string, clonable_ptr<UpdateNode>> _children;
+    std::map<std::string, clonable_ptr<UpdateNode>, pathsupport::cmpPathsAndArrayIndexes> _children;
     clonable_ptr<UpdateNode> _positionalChild;
 
     // When calling apply() causes us to merge an element of '_children' with '_positionalChild', we