(no commit message)

diff --git a/MagickWand/compare.c b/MagickWand/compare.c
index 80d54e57becfb053fe5e35c51367bd1491dee99b..d5ecbaa0372363072e01b2a43c418fbe136e4ae3 100644 (file)
--- a/MagickWand/compare.c
+++ b/MagickWand/compare.c
@@ -175,7 +175,7 @@ WandExport MagickBooleanType CompareImagesCommand(ImageInfo *image_info,
   int argc,char **argv,char **metadata,ExceptionInfo *exception)
 {
 #define DefaultDissimilarityThreshold  0.31830988618379067154
-#define DefaultSimilarityThreshold  0.0
+#define DefaultSimilarityThreshold  (-1.0)
 #define DestroyCompare() \
 { \
   if (similarity_image != (Image *) NULL) \