diff --git a/lib/less/parser/parser.js b/lib/less/parser/parser.js
index 46174120..608dd49b 100644
--- a/lib/less/parser/parser.js
+++ b/lib/less/parser/parser.js
@@ -102,7 +102,7 @@ var Parser = function Parser(context, imports, fileInfo) {
                 imports.contentsIgnoredChars[fileInfo.filename] = preText.length;
             }
 
-            str = str.replace(/\r\n/g, '\n');
+            str = str.replace(/\r\n?/g, '\n');
             // Remove potential UTF Byte Order Mark
             str = preText + str.replace(/^\uFEFF/, '') + modifyVars;
             imports.contents[fileInfo.filename] = str;