diff --git a/public/js/wn/misc/tools.js b/public/js/wn/misc/tools.js
index 2ecbeee6ef..167fda534c 100644
--- a/public/js/wn/misc/tools.js
+++ b/public/js/wn/misc/tools.js
@@ -34,7 +34,7 @@ wn.to_csv = function(data) {
 	var res = [];
 	$.each(data, function(i, row) {
 		row = $.map(row, function(col) {
-			return typeof(col)==="string" ? ('"' + col.replace(/"/g, '\"') + '"') : col;
+			return typeof(col)==="string" ? ('"' + col.replace(/"/g, '""') + '"') : col;
 		});
 		res.push(row.join(","));
 	});