diff --git a/packages/wasm-crypto/src/detectPackage.js b/packages/wasm-crypto/src/detectPackage.js
index 63e8db1d..e3f00a8d 100644
--- a/packages/wasm-crypto/src/detectPackage.js
+++ b/packages/wasm-crypto/src/detectPackage.js
@@ -5,6 +5,6 @@ const util = require('@polkadot/util');
 
 const packageInfo = require('./package-info.json');
 
-util.detectPackage(packageInfo, () => typeof __dirname !== 'undefined' && __dirname);
+util.detectPackage(packageInfo, () => __dirname);
 
 exports.packageInfo = packageInfo;