diff --git a/include/xrpl/basics/partitioned_unordered_map.h b/include/xrpl/basics/partitioned_unordered_map.h
index b855fec558..90d4ea5ed8 100644
--- a/include/xrpl/basics/partitioned_unordered_map.h
+++ b/include/xrpl/basics/partitioned_unordered_map.h
@@ -255,7 +255,7 @@ public:
     {
         // Set partitions to use half of the number of hardware threads if the
         // parameter is either empty or set to 0.
-        partitions_ = std::size_t{std::thread::hardware_concurrency() / 2};
+        partitions_ = std::size_t{std::thread::hardware_concurrency()};
         // partitions && *partitions
         // ? *partitions
         // : std::size_t{std::thread::hardware_concurrency() / 2};