diff --git a/src/parse.js b/src/parse.js
index 88a7cc9..dfb1414 100644
--- a/src/parse.js
+++ b/src/parse.js
@@ -9,20 +9,21 @@ var utils = require("./utils");
 
 var parseXml;
 
-if (typeof window.DOMParser != "undefined") {
-    parseXml = function(xmlStr) {
-        return ( new window.DOMParser() ).parseFromString(xmlStr, "text/xml");
-    };
-} else if (typeof window.ActiveXObject != "undefined" &&
-       new window.ActiveXObject("Microsoft.XMLDOM")) {
-    parseXml = function(xmlStr) {
-        var xmlDoc = new window.ActiveXObject("Microsoft.XMLDOM");
-        xmlDoc.async = "false";
-        xmlDoc.loadXML(xmlStr);
-        return xmlDoc;
-    };
+if (typeof window != "undefined" ) {
+  if (typeof window.DOMParser != "undefined") {
+      parseXml = function(xmlStr) {
+          return ( new window.DOMParser() ).parseFromString(xmlStr, "text/xml");
+      };
+  } else if (typeof window.ActiveXObject != "undefined" &&
+         new window.ActiveXObject("Microsoft.XMLDOM")) {
+      parseXml = function(xmlStr) {
+          var xmlDoc = new window.ActiveXObject("Microsoft.XMLDOM");
+          xmlDoc.async = "false";
+          xmlDoc.loadXML(xmlStr);
+          return xmlDoc;
+      };
+  }
 }
-
 /**
  * @private
  * @global
@@ -116,7 +117,7 @@ function callParseFunctions(tagName, node, options) {
 }
 
 /**
- * Parses a (EO-)WCS response to JavaScript objects. 
+ * Parses a (EO-)WCS response to JavaScript objects.
  *
  * @param xml the XML string to be parsed
  * @param options options for parsing