diff --git a/aos/flatbuffers/static_table.h b/aos/flatbuffers/static_table.h
index f90ccde..e9619a7 100644
--- a/aos/flatbuffers/static_table.h
+++ b/aos/flatbuffers/static_table.h
@@ -43,6 +43,8 @@
   }
 
  protected:
+  static constexpr size_t kMinAlign = alignof(uoffset_t);
+
   Table(std::span<uint8_t> buffer, ResizeableObject *parent)
       : ResizeableObject(buffer, parent) {}
   Table(std::span<uint8_t> buffer, Allocator *allocator)