(no commit message)

diff --git a/MagickCore/compare.c b/MagickCore/compare.c
index cb8c2912f56e39f149a5392f26a8974c498b48c8..2e40a474a4e01b00145d53e10cb1aa4290fae758 100644 (file)
--- a/MagickCore/compare.c
+++ b/MagickCore/compare.c
@@ -1845,7 +1845,7 @@ MagickExport Image *SimilarityImage(Image *image,const Image *reference,
             ((similarity_traits & UpdatePixelTrait) == 0))
           continue;
         SetPixelChannel(similarity_image,channel,ClampToQuantum(QuantumRange-
-          QuantumRange*similarity),q);
+          QuantumRange*MagickMax(similarity,1.0)),q);
       }
       q+=GetPixelChannels(similarity_image);
     }