(no commit message)

diff --git a/MagickCore/channel.c b/MagickCore/channel.c
index 99a52302cb21246b69cb2c98ccdd2903e9656bd3..2ee2d6bb29cdf04c55f7b122d61932684c845d85 100644 (file)
--- a/MagickCore/channel.c
+++ b/MagickCore/channel.c
@@ -993,7 +993,7 @@ MagickExport MagickBooleanType SetImageAlphaChannel(Image *image,
               continue;
             }
           Sa=QuantumScale*GetPixelAlpha(image,q);
-          gamma=PerceptibleReciprocal(Sa);
+          gamma=Sa;
           for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
           {
             PixelChannel channel=GetPixelChannelChannel(image,i);