diff --git a/src/Limonp/LocalVector.hpp b/src/Limonp/LocalVector.hpp
index 93872bf..2016d41 100644
--- a/src/Limonp/LocalVector.hpp
+++ b/src/Limonp/LocalVector.hpp
@@ -9,7 +9,7 @@
 namespace Limonp
 {
     using namespace std;
-    const size_t LOCAL_VECTOR_BUFFER_SIZE = 32;
+    const size_t LOCAL_VECTOR_BUFFER_SIZE = 16;
     template <class T>
         class LocalVector
         {