diff --git a/bits/90_utils.js b/bits/90_utils.js
index fb47773..b2914a8 100644
--- a/bits/90_utils.js
+++ b/bits/90_utils.js
@@ -116,7 +116,7 @@ function make_csv_row(sheet/*:Worksheet*/, r/*:Range*/, R/*:number*/, cols/*:Arr
 		else if(val.v != null) {
 			isempty = false;
 			txt = ''+(o.rawNumbers && val.t == "n" ? val.v : format_cell(val, null, o));
-			for(var i = 0, cc = 0; i !== txt.length; ++i) if((cc = txt.charCodeAt(i)) === fs || cc === rs || cc === 34 || o.forceQuotes) {txt = "\"" + txt.replace(qreg, '""') + "\""; break; }
+			for(var i = 0, cc = 0; i !== txt.length; ++i) if((cc = txt.charCodeAt(i)) === fs || cc === rs || cc === 10 ||cc === 13 ||  cc === 34 || o.forceQuotes) {txt = "\"" + txt.replace(qreg, '""') + "\""; break; }
 			if(txt == "ID" && w == 0 && row.length == 0) txt = '"ID"';
 		} else if(val.f != null && !val.F) {
 			isempty = false;