diff --git a/src/fbs/storage/Common.h b/src/fbs/storage/Common.h
index 147ac54..c507513 100644
--- a/src/fbs/storage/Common.h
+++ b/src/fbs/storage/Common.h
@@ -77,7 +77,7 @@ enum class FeatureFlags : uint32_t {
   ALLOW_READ_UNCOMMITTED = 8,
 };
 
-constexpr auto kAIOAlignSize = 512ul;
+constexpr auto kAIOAlignSize = 4096ul;
 
 class ChunkId {
  public:
diff --git a/src/storage/chunk_engine/src/utils/aligned.rs b/src/storage/chunk_engine/src/utils/aligned.rs
index e47ffcf..3a58555 100644
--- a/src/storage/chunk_engine/src/utils/aligned.rs
+++ b/src/storage/chunk_engine/src/utils/aligned.rs
@@ -1,7 +1,7 @@
 use super::super::Size;
 use std::alloc::Layout;
 
-pub const ALIGN_SIZE: Size = Size::new(512);
+pub const ALIGN_SIZE: Size = Size::new(4096);
 
 pub struct AlignedBuffer(&'static mut [u8]);