diff --git a/MagickWand/operation.c b/MagickWand/operation.c
index b22edc9..9821315 100644
--- a/MagickWand/operation.c
+++ b/MagickWand/operation.c
@@ -780,12 +780,12 @@
but also ImageInfo and _quantize_info method!
FUTURE: merge the duality of the dithering options
*/
- _image_info->dither = _quantize_info->dither = ArgBoolean;
+ _image_info->dither = ArgBoolean;
(void) SetImageOption(_image_info,option+1,ArgOption("none"));
_quantize_info->dither_method=(DitherMethod) ParseCommandOption(
- MagickDitherOptions,MagickFalse,ArgOption("none"));
+ MagickDitherOptions,MagickFalse,ArgOption("none"));
if (_quantize_info->dither_method == NoDitherMethod)
- _image_info->dither = _quantize_info->dither = MagickFalse;
+ _image_info->dither = MagickFalse;
break;
}
CLIWandExceptionBreak(OptionError,"UnrecognizedOption",option);
@@ -2868,7 +2868,7 @@
if ((flags & RhoValue) == 0)
CLIWandExceptArgBreak(OptionError,"InvalidArgument",option,arg1);
(void) PosterizeImage(_image,(size_t) geometry_info.rho,
- _quantize_info->dither,_exception);
+ _quantize_info->dither_method,_exception);
break;
}
if (LocaleCompare("preview",option+1) == 0)