...

diff --git a/MagickCore/colormap.c b/MagickCore/colormap.c
index 56128e617f67e62fdde26e45ace97fc5f301e654..2c8ea34034fc3e844791d718c41e14e4659bf34b 100644 (file)
--- a/MagickCore/colormap.c
+++ b/MagickCore/colormap.c
@@ -138,7 +138,7 @@ MagickExport MagickBooleanType AcquireImageColormap(Image *image,
     image->colormap[i].red=pixel;
     image->colormap[i].green=pixel;
     image->colormap[i].blue=pixel;
-    image->colormap[i].alpha=OpaqueAlpha;
+    image->colormap[i].alpha=(MagickRealType) OpaqueAlpha;
     image->colormap[i].alpha_trait=BlendPixelTrait;
   }
   return(SetImageStorageClass(image,PseudoClass,exception));