diff --git a/page.js b/page.js
index ea52efb8..051654f9 100644
--- a/page.js
+++ b/page.js
@@ -710,8 +710,8 @@
    */
   function getBase() {
     if(!!base) return base;
-    var loc = pageWindow.location;
-    return (hashbang && loc.protocol === 'file:') ? loc.pathname : base;
+    var loc = hasWindow && pageWindow.location;
+    return (hasWindow && hashbang && loc.protocol === 'file:') ? loc.pathname : base;
   }
 
   page.sameOrigin = sameOrigin;