diff --git a/asn1-parser.js b/asn1-parser.js
index 82f7cd0..ef1ac6f 100644
--- a/asn1-parser.js
+++ b/asn1-parser.js
@@ -129,7 +129,7 @@ PEM.parseBlock = PEM.parseBlock || function (str) {
 };
 
 Enc.base64ToBuf = function (b64) {
-  return Enc.binToBuf(atob(b64));
+  return Enc.binToBuf('function' === typeof atob ? atob(b64) : Buffer.from(b64, 'base64').toString('binary'));
 };
 Enc.binToBuf = function (bin) {
   var arr = bin.split('').map(function (ch) {
diff --git a/package.json b/package.json
index c1feaf0..0bcc06f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "asn1-parser",
-  "version": "1.1.8",
+  "version": "1.1.9",
   "description": "An ASN.1 parser in less than 100 lines of Vanilla JavaScript, part of the Bluecrypt suite.",
   "homepage": "https://git.coolaj86.com/coolaj86/asn1-parser.js",
   "main": "asn1-parser.js",