diff --git a/lib/less/parser/parser-input.js b/lib/less/parser/parser-input.js
index ad799e85..7755d205 100644
--- a/lib/less/parser/parser-input.js
+++ b/lib/less/parser/parser-input.js
@@ -126,7 +126,7 @@ module.exports = function() {
             curr = parserInput.i - currentPos,
             endIndex = parserInput.i + current.length - curr,
             mem = (parserInput.i += length),
-            inp = input,
+            inp = input.replace(/\r\n|\r/gm, "\n"),
             c, nextChar, comment;
 
         for (; parserInput.i < endIndex; parserInput.i++) {