diff --git a/rows/plugins/plugin_csv.py b/rows/plugins/plugin_csv.py
index 29f390e8..d1b3222b 100644
--- a/rows/plugins/plugin_csv.py
+++ b/rows/plugins/plugin_csv.py
@@ -19,6 +19,7 @@
 
 from io import BytesIO
 
+import ctypes
 import six
 import unicodecsv
 
@@ -32,9 +33,8 @@
 sniffer = unicodecsv.Sniffer()
 # Some CSV files have more than 128kB of data in a cell, so we force this value
 # to be greater (16MB).
-# TODO: check if it impacts in memory usage.
 # TODO: may add option to change it by passing a parameter to import/export.
-unicodecsv.field_size_limit(16777216)
+unicodecsv.field_size_limit(int(ctypes.c_ulong(-1).value) // 2)
 
 
 def fix_dialect(dialect):