diff --git a/lib/textParsers.js b/lib/textParsers.js
index 0a584015..c8811bec 100644
--- a/lib/textParsers.js
+++ b/lib/textParsers.js
@@ -130,8 +130,8 @@ var parseByteA = function(val) {
         out += val[i]
         ++i
       }else{
-        if(val.substring(i+1, i+4).match(/([0-7]){3}/)){
-          out += String.fromCharCode(parseInt(val.substring(i+1,i+4),8))
+        if(val.substr(i+1,3).match(/[0-7]{3}/)){
+          out += String.fromCharCode(parseInt(val.substr(i+1,3),8))
           i += 4
         }else{
           backslashes = 1