(no commit message)

diff --git a/coders/png.c b/coders/png.c
index 350c8baa44be2e720dd610d6ba14f7d6dd8e4e06..f88f7924f382930dc484c7d7c9e201238546c2c5 100644 (file)
--- a/coders/png.c
+++ b/coders/png.c
@@ -8161,7 +8161,7 @@ static MagickBooleanType WriteOnePNGImage(MngInfo *mng_info,
                        ping_trans_color.blue=(unsigned short)
                          GetPixelBlue(image,q);
                        ping_trans_color.gray=(unsigned short)
-                         GetPixelRed(image,q);
+                         GetPixelGray(image,q);
                        number_transparent = 1;
                      }