diff --git a/src/definitions.jl b/src/definitions.jl
index 167eaf6a..be3717f9 100644
--- a/src/definitions.jl
+++ b/src/definitions.jl
@@ -6,4 +6,4 @@ const GiB = MiB * KiB
 const MAX_CACHE_SIZE_MiB = 100
 const ROW_PERSISTENT_CACHE_WARN = 1 * GiB
 
-DEFAULT_LODF_CHUNK_SIZE = 30_000
+DEFAULT_LODF_CHUNK_SIZE = 20_000