diff --git a/vortex-serde/src/file/reader/mod.rs b/vortex-serde/src/file/reader/mod.rs
index d3e628c3bf..912ec2c0c7 100644
--- a/vortex-serde/src/file/reader/mod.rs
+++ b/vortex-serde/src/file/reader/mod.rs
@@ -29,7 +29,7 @@ pub mod filtering;
 pub mod projections;
 pub mod schema;
 
-const DEFAULT_BATCH_SIZE: usize = 1024;
+const DEFAULT_BATCH_SIZE: usize = 65536;
 
 pub struct VortexBatchReaderBuilder<R> {
     reader: R,