diff --git a/methods/inflater.js b/methods/inflater.js
index 8769e66..1d44024 100644
--- a/methods/inflater.js
+++ b/methods/inflater.js
@@ -1,4 +1,4 @@
-const version = +(process.versions ? process.versions.node : "").split(".")[0] || 0;
+const version = +(process?.versions?.node ?? "").split(".")[0] || 0;
 
 module.exports = function (/*Buffer*/ inbuf, /*number*/ expectedLength) {
     var zlib = require("zlib");