Return pseudo-class image for -type bilevel option

diff --git a/MagickCore/quantize.c b/MagickCore/quantize.c
index 5c3a4be063b439b6f34fe59ec115f33e21a7096f..a9037af6b2be0250cf82925cf635c335a7b1c116 100644 (file)
--- a/MagickCore/quantize.c
+++ b/MagickCore/quantize.c
@@ -668,7 +668,8 @@ static MagickBooleanType AssignImageColors(Image *image,CubeInfo *cube_info,
         }
     }
   (void) SyncImage(image,exception);
-  if (cube_info->quantize_info->colorspace != UndefinedColorspace)
+  if ((cube_info->quantize_info->colorspace != UndefinedColorspace) &&
+      (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse))
     (void) TransformImageColorspace(image,colorspace,exception);
   return(MagickTrue);
 }