diff --git a/detect-zoom.js b/detect-zoom.js
index bdb2a18..1afc1a7 100644
--- a/detect-zoom.js
+++ b/detect-zoom.js
@@ -32,6 +32,21 @@
         return window.devicePixelRatio || 1;
     };
 
+    /**
+     * Use svg:currentScale if supported by the browser
+     * @return {Number}
+     * @private
+     */
+    var svgZoom = function(){
+        var svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
+        svg.setAttribute('xmlns', 'http://www.w3.org/2000/svg');
+        svg.setAttribute('version', '1.1');
+        document.body.appendChild(svg);
+        var zoom = svg.currentScale;
+        document.body.removeChild(svg);
+        return Math.round(zoom * 100) / 100;
+    }
+
     /**
      * Fallback function to set default values
      * @return {Object}
@@ -77,7 +92,7 @@
 	*/
     var chrome = function()
     {
-    	var zoom = Math.round(((window.outerWidth) / window.innerWidth)*100) / 100;
+    	var zoom = svgZoom();
         return {
             zoom: zoom,
             devicePxPerCssPx: zoom * devicePixelRatio()
@@ -90,7 +105,7 @@
 	*/
     var safari= function()
     {
-    	var zoom = Math.round(((document.documentElement.clientWidth) / window.innerWidth)*100) / 100;
+    	var zoom = svgZoom();
         return {
             zoom: zoom,
             devicePxPerCssPx: zoom * devicePixelRatio()