(no commit message)

diff --git a/tests/validate.c b/tests/validate.c
index bf81259c8d4c8da4c21ea10d75861f4ee94ead67..6f41c2c538f639d1ed97c278a3c9226cc8a260c7 100644 (file)
--- a/tests/validate.c
+++ b/tests/validate.c
@@ -848,7 +848,8 @@ static size_t ValidateImageFormatsOnDisk(ImageInfo *image_info,
 #if defined(MAGICKCORE_HDRI_SUPPORT)
       fuzz+=0.003;
 #endif
-      if (IssRGBColorspace(reference_image->colorspace) == MagickFalse)
+      if ((IssRGBColorspace(reference_image->colorspace) == MagickFalse) &&
+          (IsGrayColorspace(reference_image->colorspace) == MagickFalse))
         fuzz+=0.3;
       fuzz+=DistortionEpsilon;
       difference_image=CompareImages(reference_image,reconstruct_image,