(no commit message)

diff --git a/MagickCore/fx.c b/MagickCore/fx.c
index 501679fbac4cc4bdd8f17e6cc27193ef5a2e4fd4..7f7a048ca61b730cf694a3ad3b6b0650105c10d6 100644 (file)
--- a/MagickCore/fx.c
+++ b/MagickCore/fx.c
@@ -603,7 +603,8 @@ MagickExport Image *CharcoalImage(const Image *image,const double radius,
   if (clone_image == (Image *) NULL)
     return((Image *) NULL);
   (void) SetImageType(clone_image,GrayscaleType,exception);
-  edge_image=EdgeImage(clone_image,radius,exception);
+  edge_image=EdgeImage(clone_image,GetOptimalKernelWidth1D(radius,0.5),
+    exception);
   clone_image=DestroyImage(clone_image);
   if (edge_image == (Image *) NULL)
     return((Image *) NULL);