diff --git a/tools/db_stress.cc b/tools/db_stress.cc
index 929efee3f..337199a24 100644
--- a/tools/db_stress.cc
+++ b/tools/db_stress.cc
@@ -1591,7 +1591,7 @@ class StressTest {
     }
     switch (FLAGS_rep_factory) {
       case kHashSkipList:
-        options_.memtable_factory.reset(NewHashSkipListRepFactory());
+        options_.memtable_factory.reset(NewHashSkipListRepFactory(10000));
         break;
       case kSkipList:
         // no need to do anything