diff --git a/tf_adapter/util/memory_pool.cc b/tf_adapter/util/memory_pool.cc
index 445ffcf1f76ab314c0bc70559a6448a4d9077a3f..d752dd479bfb42776fb6cf2779dde63f7bc5e97d 100644
--- a/tf_adapter/util/memory_pool.cc
+++ b/tf_adapter/util/memory_pool.cc
@@ -21,7 +21,7 @@
 #include "tf_adapter/common/adp_logger.h"
 
 namespace tensorflow {
-  constexpr uint64_t kMemAlignSize = 128;
+  constexpr uint64_t kMemAlignSize = 64;
   MemoryPool::MemoryPool() {}
 
   MemoryPool::~MemoryPool() {}