diff --git a/MagickCore/channel.c b/MagickCore/channel.c
index 173b689..6f5f9b1 100644
--- a/MagickCore/channel.c
+++ b/MagickCore/channel.c
@@ -239,7 +239,7 @@
if (destination_image == (Image *) NULL)
return((Image *) NULL);
if (IsGrayColorspace(image->colorspace) != MagickFalse)
- (void) TransformImageColorspace(image,sRGBColorspace,exception);
+ (void) TransformImageColorspace((Image *) image,sRGBColorspace,exception);
if (expression == (const char *) NULL)
return(destination_image);
destination_channel=RedPixelChannel;