1 files changed, 2 insertions, 2 deletions
diff --git a/src/mongo/bson/mutable/document-inl.h b/src/mongo/bson/mutable/document-inl.h
index ec06777e8a5..6942283ceb1 100644
--- a/src/mongo/bson/mutable/document-inl.h
+++ b/src/mongo/bson/mutable/document-inl.h
@@ -32,7 +32,7 @@ namespace mutablebson {
 
 inline int Document::compareWith(const Document& other,
                                  bool considerFieldName,
-                                 StringData::ComparatorInterface* comparator) const {
+                                 const StringData::ComparatorInterface* comparator) const {
     // We cheat and use Element::compareWithElement since we know that 'other' is a
     // Document and has a 'hidden' fieldname that is always indentical across all Document
     // instances.
@@ -41,7 +41,7 @@ inline int Document::compareWith(const Document& other,
 
 inline int Document::compareWithBSONObj(const BSONObj& other,
                                         bool considerFieldName,
-                                        StringData::ComparatorInterface* comparator) const {
+                                        const StringData::ComparatorInterface* comparator) const {
     return root().compareWithBSONObj(other, considerFieldName, comparator);
 }