diff --git a/cocos2d/label_nodes/CCLabel.cs b/cocos2d/label_nodes/CCLabel.cs
index d91f77e7..470090f1 100644
--- a/cocos2d/label_nodes/CCLabel.cs
+++ b/cocos2d/label_nodes/CCLabel.cs
@@ -31,6 +31,8 @@ private struct KerningInfo
         }
 
         public static CCTexture2D m_pTexture;
+        private static CCSize m_pAtlasTextureSize = new CCSize(0, 0);
+        
         protected static bool m_bTextureDirty = true;
 
         protected string m_FontName;
@@ -93,6 +95,14 @@ public override string Text
             }
         }
 
+        public static void SetTTFAtlasTextureSize(float width, float height)
+        {
+            if (width > 0 && height > 0)
+            {
+                m_pAtlasTextureSize = new CCSize(width, height);
+            }
+        }
+
         public static void InitializeTTFAtlas(int width, int height)
         {
             m_nWidth = width;
@@ -177,7 +187,11 @@ private CCBMFontConfiguration InitializeFont(string fontName, float fontSize, st
 
             if (m_pData == null || s_pConfigurations.Count == 0)
             {
-                if (fontSize >= 105)
+                if (m_pAtlasTextureSize.Width > 0 && m_pAtlasTextureSize.Height > 0)
+                {
+                    InitializeTTFAtlas((int)m_pAtlasTextureSize.Width, (int)m_pAtlasTextureSize.Height);
+                }
+                else if (fontSize >= 105)
                 {
                     InitializeTTFAtlas(2048, 2048);
                 }