diff --git a/src/core/const.js b/src/core/const.js
index 8b75932..8f98ee0 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -101,7 +101,8 @@
      * @constant
      * @property {string} RETINA_PREFIX
      */
-    RETINA_PREFIX: '@2x',
+    //example: '@2x',
+    RETINA_PREFIX: /@(.+)x/,
 
     RESOLUTION:1,
 

diff --git a/src/core/const.js b/src/core/const.js
index 8b75932..8f98ee0 100644
--- a/src/core/const.js
+++ b/src/core/const.js
@@ -101,7 +101,8 @@
      * @constant
      * @property {string} RETINA_PREFIX
      */
-    RETINA_PREFIX: '@2x',
+    //example: '@2x',
+    RETINA_PREFIX: /@(.+)x/,
 
     RESOLUTION:1,
 
diff --git a/src/core/utils/index.js b/src/core/utils/index.js
index 222cb87..da6c73d 100644
--- a/src/core/utils/index.js
+++ b/src/core/utils/index.js
@@ -144,14 +144,14 @@
      */
     getResolutionOfUrl: function (url)
     {
-        if ( url.indexOf(CONST.RETINA_PREFIX + '.') !== -1)
+        var resolution = PIXI.RETINA_PREFIX.exec(url);
+
+        if (resolution)
         {
-            return 2;
+           return parseFloat(resolution[1]);
         }
-        else
-        {
-            return 1;
-        }
+
+        return 1;
     },
 
     /**