diff --git a/index.ts b/index.ts
index 650b919a..8ead2b8e 100644
--- a/index.ts
+++ b/index.ts
@@ -8,7 +8,7 @@ let isOneSignalInitialized = false;
 // OneSignal#init.
 let isOneSignalScriptFailed = false;
 
-if (window) {
+if (typeof window !== 'undefined') {
   window.OneSignalDeferred = window.OneSignalDeferred || [];
   addSDKScript();
 }
diff --git a/package.json b/package.json
index 6c67f0d1..c427deb0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-onesignal",
-  "version": "3.0.0",
+  "version": "3.0.1",
   "description": "React OneSignal Module: Make it easy to integrate OneSignal with your React App!",
   "author": "rgomezp",
   "contributors": [{ "name": "Rodrigo Gomez-Palacio" }, { "name": "Pedro Bini" }, { "name": "Graham Marlow" }],