diff --git a/Images/RasterizePage/RasterizePage.cs b/Images/RasterizePage/RasterizePage.cs
index 37669ce..68a8e3b 100644
--- a/Images/RasterizePage/RasterizePage.cs
+++ b/Images/RasterizePage/RasterizePage.cs
@@ -127,7 +127,7 @@ static void Main(string[] args)
                     //  
                     ////////////////////////////////////////////////////////
 
-                    CreatePageImageBasedOnPhysicalSize(pg, sOutput + "-grayscale-halfsize.png", ImageType.Png,
+                    CreatePageImageBasedOnPhysicalSize(pg, sOutput + "-grayscale-halfsize.png", ImageType.PNG,
                         ColorSpace.DeviceGray);