(no commit message)

diff --git a/MagickCore/enhance.c b/MagickCore/enhance.c
index e27e57331d7db7b87e019bd0fc94cebab9f6eb3c..383e8f5e7828f0a7d26cd0824564f4723ce9d30c 100644 (file)
--- a/MagickCore/enhance.c
+++ b/MagickCore/enhance.c
@@ -2047,8 +2047,8 @@ MagickExport MagickBooleanType GrayscaleImage(Image *image,
         }
         case RMSPixelIntensityMethod:
         {
-          intensity=(MagickRealType) sqrt((double) red*red+green*green+
-            blue*blue);
+          intensity=(MagickRealType) (sqrt((double) red*red+green*green+
+            blue*blue)/sqrt(3.0);
           break;
         }
         default: