diff --git a/papaparse.js b/papaparse.js
index 0c44a99..4bf770d 100644
--- a/papaparse.js
+++ b/papaparse.js
@@ -22,6 +22,7 @@
 		comments: false,
 		complete: undefined,
 		download: false,
+		chunk: undefined,
 		keepEmptyRows: false
 	};