diff --git a/gun.js b/gun.js
index d29fce47..fc189d08 100644
--- a/gun.js
+++ b/gun.js
@@ -1161,8 +1161,9 @@
 
 
 ;(function(Tab){
-	
-	if(!this.Gun){ return }
+
+	if(typeof window === "undefined"){ return; }
+	if(!window.Gun){ return }
 	if(!window.JSON){ throw new Error("Include JSON first: ajax.cdnjs.com/ajax/libs/json2/20110223/json2.js") } // for old IE use
 
 	;(function(exports){
diff --git a/package.json b/package.json
index 14a8df9d..1414efc7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gun",
-  "version": "0.3.993",
+  "version": "0.3.994",
   "description": "Graph engine",
   "main": "index.js",
   "scripts": {