diff --git a/src/CodeGen/CodeGenerator/CoscineCodeGenerator.cs b/src/CodeGen/CodeGenerator/CoscineCodeGenerator.cs
index a390bd2ad8e9c9a983eae36792a9f5851e7d6300..f51b7b87383bd17b5e75dce5b80ee36cd709e167 100644
--- a/src/CodeGen/CodeGenerator/CoscineCodeGenerator.cs
+++ b/src/CodeGen/CodeGenerator/CoscineCodeGenerator.cs
@@ -66,10 +66,12 @@ namespace Coscine.CodeGen.CodeGenerator
 if (typeof coscine !== 'undefined' && typeof coscine.authorization !== 'undefined') {
   accessToken = 'Bearer ' + coscine.authorization.bearer;
 }
-// LocalStorage > Global Variables
-const localStorageToken = localStorage.getItem('coscine.authorization.bearer');
-if (localStorageToken) {
-  accessToken = 'Bearer ' + localStorageToken;
+if (typeof window !== 'undefined') {
+  // LocalStorage > Global Variables
+  const localStorageToken = localStorage.getItem('coscine.authorization.bearer');
+  if (localStorageToken) {
+    accessToken = 'Bearer ' + localStorageToken;
+  }
 }
 
 const getHostName = () => {