diff --git a/db/db_iter.cc b/db/db_iter.cc
index a0a0529a7f438cc1803bbbc942058b0fda4bf138..afffc4dcc51b5608480772c075a2da7e9598f6fa 100644
--- a/db/db_iter.cc
+++ b/db/db_iter.cc
@@ -275,7 +275,7 @@ void DBIter::FindNextUserEntryInternal(bool skipping) {
 
     if (ParseKey(&ikey)) {
       if (iterate_upper_bound_ != nullptr &&
-          ikey.user_key.compare(*iterate_upper_bound_) >= 0) {
+          user_comparator_->Compare(ikey.user_key, *iterate_upper_bound_) >= 0) {
         break;
       }