diff --git a/pyglossary/plugins/csv_plugin.py b/pyglossary/plugins/csv_plugin.py
index d0c88887a..39748f515 100644
--- a/pyglossary/plugins/csv_plugin.py
+++ b/pyglossary/plugins/csv_plugin.py
@@ -90,6 +90,7 @@
 	),
 }
 
+csv.field_size_limit(0x7fffffff)
 
 class Reader:
 	compressions = stdCompressions